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Administrator’s Guide for Yealink Video Conferencing Systems

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Troubleshooting Solutions

This chapter provides general troubleshooting solutions to help you solve the problems you
might encounter when using your system.

Ensure the system has not been physically damaged when experiencing a problem. Check
whether the cables are loose and the connections are correct and secure. These are common
causes of problems.

If problems you encounter are not mentioned in this chapter, you can contact your distributor
or Yealink FAE.

General Issues

Why is the display device black?



Check whether the display device is connected properly to the VC400/VC120 Codec.



Check whether the system is in sleep mode. Press any key on the video conferencing
phone or remote control to resume system operation.



Check whether the display device is in sleep mode or is turned off. Press the power button
on the remote control or on the display device.



Check whether you have selected the correct video input source. You can try to switch
video input source.

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Содержание VC120

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Страница 2: ...ansmit any portion hereof in any form or by any means with any purpose other than personal use Warranty 1 Warranty THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS GUIDE ARE SUBJECT TO CHANGE WITHOUT NOTICE ALL STATEMENTS INFORMATION AND RECOMMENDATIONS IN THIS GUIDE ARE BELIEVED TO BE ACCURATE AND PRESENTED WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED USERS MUST TAKE FULL RESP...

Страница 3: ...product is available on the Yealink Support page for the product Patent Information China the United States EU European Union and other countries are protecting one or more patents of accompanying products and or patents being applied by Yealink Customer Feedback We are striving to improve our documentation quality and we appreciate your feedback Email your opinions and comments to DocsFeedback ye...

Страница 4: ...Administrator s Guide for Yealink Video Conferencing Systems ...

Страница 5: ...phony concepts are necessary See the Yealink Products Regulatory Notices Guide for all regulatory and safety guidance Documentations This guide covers the VC400 VC120 video conferencing system In addition to the administrator guide the following related documentations are available Quick Start Guide which describes how to assemble the system and configure basic network features on the system User ...

Страница 6: ...6 System Management describes how to manage system contacts and call history Chapter 7 Configuring Security Features describes how to configure security features on the system Chapter 8 System Maintenance describes how to upgrade system firmware and reset the system Chapter 9 Troubleshooting describes how to troubleshoot the system and provides some common troubleshooting solutions Typographic Con...

Страница 7: ...is term refers to Yealink VC Cloud Management Service Yealink Cloud Yealink Meeting Server Zoom BlueJeans Pexip Mind and Custom platform Cloud account This term refers to Yealink Cloud YMS BlueJeans Pexip Mind and Custom account Cloud systems This term refers to the systems that support Cloud feature including SIP VP T49G IP phone VC desktop and VC110 VC120 VC400 VC500 VC800 video conferencing sys...

Страница 8: ...age 90 Default Layout on page 161 Changes for Release 22 Guide Version 22 15 The following section is new for this version Logging into the StarLeaf Cloud Platform on page 106 Major updates have occurred to the following sections H 323 Tunneling on page 73 Enabling H 460 Support for H 323 Calls on page 135 Methods of Transmitting DTMF Digit on page 138 Dual Stream Protocol on page 196 Camera Contr...

Страница 9: ...on page 99 Major updates have occurred to the following sections Icon Instructions on page 25 Setup Wizard on page 41 Directory on page 227 Changes for Release 21 Guide Version 21 15 The following section is new for this edition IPv6 Support on page 56 Hiding Icons in a Call on page 179 Output Resolution on page 217 Video Recording on page 219 Screenshot on page 221 VCS Integrated with Control Sys...

Страница 10: ...Auto Refuse Timeout on page 159 SIP IP Call by Proxy on page 159 Meeting Password on page 184 Meeting Whitelist on page 186 License on page 241 Major updates have occurred to the following sections Packaging Contents on page 3 VCC18 VCC20 HD Camera on page 12 VCR10 Remote Control on page 23 LED Instructions on page 28 System Installation on page 33 VLAN on page 61 Configuring the System for Use wi...

Страница 11: ...for Release 21 Guide Version 21 15 ix Changes for Release 20 Guide Version 20 6 x Table of Contents xi System Overview 1 VoIP Principles 1 Physical Features 2 Packaging Contents 3 VC400 Packaging Contents 3 VC120 Packaging Contents 6 System Component Instructions 10 VC400 VC120 Codec 10 VCC18 VCC20 HD Camera 12 Video Conferencing Phone 14 CPE80 Expansion Microphone 19 VCM30 Video Conferencing Micr...

Страница 12: ...ies 48 DHCP 48 Configuring Network Settings Manually 52 IPv6 Support 56 Configuring Network Speed and Duplex Mode 60 VLAN 61 LLDP 62 Manual Configuration for VLAN 65 DHCP VLAN 67 802 1X Authentication 68 H 323 Tunneling 73 Configuring the System for Use with a Firewall or NAT 77 Call Setup and Media Ports 77 Restricting Reserved Ports 78 Network Address Translation 81 Intelligent Firewall Traversa...

Страница 13: ...Audio Codecs 143 Video Codecs 145 Call Protocol 146 Account Polling 148 Do Not Disturb 150 Auto Answer 151 Auto Dialout Mute 152 Call Match 153 History Record 154 Bandwidth 155 Sharing Content 157 Ringback Timeout 158 Auto Refuse Timeout 159 SIP IP Call by Proxy 159 Default Layout 161 Public Mode 162 Configuring System Settings 165 General Setting 165 Virtual Remote Control 165 Configuring Remote ...

Страница 14: ...on 218 Video Recording 219 Screenshot 221 Tones 222 System Management 227 Directory 227 LDAP 232 Call History 237 Search Source List in Dialing 239 Dual Screen 239 Two way Video Calls 240 Two way Video Call with Presentation 240 Multi way Video Calls 240 Multi way Video Call with Presentation 241 License 241 Device Type License 241 8 Way MCU License 242 VCS Integrated with Control Systems 243 Usin...

Страница 15: ...ing 277 Troubleshooting Methods 277 Viewing Log Files 277 Capturing Packets 280 Getting Information from Status Indicators 283 Analyzing Configuration Files 284 Viewing Call Statistics 284 Using Diagnostic Methods 284 Troubleshooting Solutions 286 General Issues 286 Camera Issues 288 Video Audio Issues 289 Why does the far site display black screen when local starts a presentation 291 System Maint...

Страница 16: ...Administrator s Guide for Yealink Video Conferencing Systems xvi ...

Страница 17: ...ications and multimedia sessions over IP networks The H 323 and Session Initiation Protocol SIP are two popular VoIP protocols that are found in widespread implementation H 323 H 323 is a recommendation from the ITU Telecommunication Standardization Sector ITU T that defines the protocols to provide audio visual communication sessions on any packet network The H 323 standard addresses call signali...

Страница 18: ...rall network topology which are designed to interoperate with other compatible equipment including application servers media servers Internet working gateways and other systems In order to operate systems in your network successfully the systems must meet the following requirements A working IP network is established VoIP gateway is configured for SIP or H 323 and H 323 gatekeeper is configured fo...

Страница 19: ... from 512Kbps W448P 768 x 448 WQVGA 400 x 240 4CIF 704 576 CIF 352 x 288 Packaging Contents We recommend that you use the accessories provided or approved by Yealink The use of unapproved third party accessories may result in reduced performance VC400 Packaging Contents The following items are included in your package If you find that anything is missing contact your system administrator VC400 Cod...

Страница 20: ...inistrator s Guide for Yealink Video Conferencing Systems 4 VCP40 Video Conferencing Phone L Bracket for installing the camera Camera Mounting Accessories VCR10 Remote Control AAA Batteries 2 Power Adapter ...

Страница 21: ...stallation If you find that anything is missing contact your system administrator Optional Accessory The following item is optional for VC400 video conferencing system You should purchase it separately if necessary The CPE80 expansion microphone is used for expanding the audio pickup range ...

Страница 22: ...120 Packaging Contents We provide the following packaging contents You can purchase any combination according to your needs VC120 Package VC120 Package VCP40 Package VC120 Package VCP41 Package VC120 Package VCM30 Package VC120 Package VC120 Codec HD Camera L Bracket for installing the camera ...

Страница 23: ...System Overview 7 Camera Mounting Accessories VCR10 Remote Control AAA Batteries 2 Power Adapter Cables Velcro 2 Cable Ties 5 ...

Страница 24: ...on the VC120 Codec and connect it to the Audio Out port of the VCP40 video conferencing phone with the 7 5m Ethernet cable VCP40 video conferencing phone can work as an audio device for the VC120 video conferencing system You can also place calls answer calls or view directory and history on the VCP40 video conferencing phone VCP41 Package VCP41 Video Conferencing Phone ...

Страница 25: ... Codec and connect it to the Audio Out port of the VCP41 video conferencing phone with the 7 5m Ethernet cable VCP41 Video conferencing phone can work as an audio device for the VC120 video conferencing system You can also place calls answer calls or view directory and history on the VCP41 video conferencing phone VCM30 Package VCM30 Video Conferencing Microphone Array ...

Страница 26: ...C120 video conferencing system you need to be familiar with the following system components including VC400 VC120 Codec VCC18 VCC20 HD Camera Video Conferencing Phone CPE80 Expansion Microphone VCM30 Video Conferencing Microphone Array VCR10 Remote Control VC400 VC120 Codec VC400 VC120 Codec supports 1080P full HD video It supports both H 323 and SIP protocols and can connect to a mainstream video...

Страница 27: ... LED Instructions on page 28 USB Inserts a USB flash drive to one of the two USB ports for storing screenshots recording videos or capturing packets Note If two USB flash drives are connected only the latter one can be identified PC Connects to a PC for sharing documents or videos during a call Camera Connects to a camera You can also connect two VCC20 cameras to the VC120 Codec using the VC Dual ...

Страница 28: ...Audio In Connects to the video conferencing phone Internet Connects to the network device DC19V Connects to the power source via a power adapter Reset Key Resets the system to factory defaults Security Slot Allows you to connect a universal security cable to VC400 VC120 Codec so you can lock it down The system cannot be removed when it is locked VCC18 VCC20 HD Camera The VCC18 HD camera supports 1...

Страница 29: ...ort Name Description LED Indicator Indicates the system statuses For more information refer to LED Instructions on page 28 The back of the HD camera Port Name Description Camera Connects to the Camera port on the VC400 VC120 Codec using a DVI cable ...

Страница 30: ...nfrared sensor is located within the Yealink logo Aim the remote control at the camera IR sensor to operate the unit Note Video Conferencing Phone VCP40 Video Conferencing Phone The VCP40 video conferencing phone supports 360 degree audio pickup to achieve ultra HD voice Avoid physically turn camera while system is powered on to prevent permanent damaging the camera Always use the remote control t...

Страница 31: ...System Overview 15 Connect the VCP40 phone to the VC400 VC120 Codec It can work as an audio device for the system You can also place calls answer calls or view directory and history on the VCP40 phone ...

Страница 32: ... displayed information Keypad Generates the digits and special characters Off hook Key Initiates a call or answers a call Presentation Key Enables or disables presentation Mute Key Toggles the mute feature Volume Key Adjusts the volume of the speakerphone and ringer Microphone Picks up voice LED Indicators Indicate phone and call statuses Speakerphone Provides ringer and hands free speakerphone au...

Страница 33: ... device Item Description PC Mobile Port Allows you to connect an optional PC or Mobile Device to your phone so that you can listen to the PC or mobile audio using your VCP41 video conferencing phone Connecting a PC or Mobile Device to the VCP41 You can connect a PC or mobile device to the VCP41 when your VC120 video conferencing system is idle is placing a call or during a call To connect a PC or ...

Страница 34: ...n to the audio on your VCP41 If your PC or mobile device receives an incoming call you can use VCP41 to listen and speak Adjusting the Volume of the PC or Mobile Audio When your PC or mobile device is during a call you can adjust the output volume of the PC mobile device via your VCP41 To adjust the volume of the PC or mobile device 1 When your PC or mobile device is during a call press on the VCP...

Страница 35: ...hone has two MIC ports Up to two expansion microphones can be connected to a video conferencing phone CPE80 is a directional microphone Its coverage range is a 120 degree Always ensure that the speaker faces the expansion microphone Item Description Mute Indicator LED Toggles and indicates mute feature Microphone Transmits sound to other phones MIC Connector Allows you to connect to the MIC port o...

Страница 36: ...ing the mute button during a call Name Description Built in Microphones Support 360 degree audio pickup at a radius of up to 3 meters Mute Button Mutes or unmutes the VCM30 For more information on the mute indicator LED refer to Icon Instructions on page 25 Audio Out Port Connects to the Audio In port of VC120 Codec using the 7 5m Ethernet cable labeled Audio In Provides the power supply for the V...

Страница 37: ...e VCM30 during a call 1 Tap to mute the call The mute indicator LED illuminates solid red And the mute icon appears on the local video image To unmute the VCM30 during a call 1 Tap again to unmute the call The mute indicator LED illuminates solid green And the mute icon disappears from the local video image Viewing VCM30 Information When the VCM30 is connected to the Audio In port of VC120 Codec y...

Страница 38: ...rator s Guide for Yealink Video Conferencing Systems 22 To view the VCM30 information via web user interface 1 Click Status To view the VCM30 information via the remote control 1 Select Menu Status Wired Micpod ...

Страница 39: ... or wakes the system up Red Shortcut Key Located at the bottom left of the screen Label automatically identifies context sensitive features In the idle screen this is used to enter the main menu screen and corresponds to the Menu soft key Yellow Shortcut Key Located at the bottom center of the screen Label automatically identifies context sensitive features In the idle screen this is used to enter...

Страница 40: ...s actions or answers incoming calls Navigation Key In the menu screen press or to switch menus press or to select items In the idle screen pan and tilt the camera to adjust the viewing angle Mute Key Toggles the mute feature Home Key Returns to the idle screen when in the menu screen Enters the pre dialing screen during a call Video Source Key Switches the input source between Camera Camera PC or ...

Страница 41: ... stop recording video Snapshot Key Generates a pound key Captures the image from the camera On the idle screen press to capture the image from the camera During a call long press to capture the image from the camera Icon Instructions Icons on Display Device Icons appearing on the display device are described in the following table Icon Description flashing Network is disconnected Network is availa...

Страница 42: ... status bar Volume is 0 Do not disturb Do not disturb during a call Dual screen mode Dual video sources when a PC is connected to the PC port on the VC400 VC120 Codec A USB flash drive is inserted to the USB port on the VC400 VC120 Codec VPN is enabled Call mute Call encryption Call Hold Output volume is 0 during a call Camera that being controlled Indicates the content displayed on the second dis...

Страница 43: ... Icons on the Video Conferencing Phone Icons appearing on the video conferencing phone LCD screen are described in the following table Icon Description Flashing Network is unavailable SIP account is registered the icon flashes when it is not registered successfully H 323 account is registered the icon flashes when it is not registered successfully Log into the Yealink VC Cloud Management Service Y...

Страница 44: ...ls H 323 account SIP account IP Call Received calls Cloud platform Missed calls H 323 account SIP account IP Call Missed calls Cloud platform PC Mobile mode when a PC or mobile device is connected to the VCP41 LED Instructions Indicator LED on the VC400 VC120 Codec LED Status Description Solid green The VC400 VC120 Codec is powered on The VC400 VC120 Codec is upgrading firmware Solid red The VC400...

Страница 45: ...cing a call There is an active call on the phone Off The phone is idle The phone is not connected to the VC400 VC120 Codec correctly Indicator LED of the Internet port on the VC400 VC120 Codec LED Status Description Indicator LED on the left is off Network is not connected Indicator LED on the left is solid green Network is connected Indicator LED on the right is flashing yellow Sending and receiv...

Страница 46: ...erface with user credential which is disabled by default For more information on how to enable the user credential refer to User Mode on page 247 The system uses the HTTPS protocol to access the web user interface by default For more information on the access protocol for web user interface access refer to Web Server Type on page 249 Log into the web user interface of the system 1 Enter the IP add...

Страница 47: ...trol Note Remote Control You can use the remote control and display device to configure and use the VC400 VC120 video conferencing system For more information on the function of each key on the remote control refer to VCR10 Remote Control on page 23 The Advanced option is only accessible to the user with the administrator s permission The default administrator password is 0000 You can also use vir...

Страница 48: ...Administrator s Guide for Yealink Video Conferencing Systems 32 ...

Страница 49: ...n introduces the following Installing the VC400 video conferencing system Installing the VC120 video conferencing system Installing the camera Installing batteries in the remote control Note Up to two display devices can be connected to the VC400 VC120 Codec Because the display device is not included in the package you need to purchase it separately if required Ensure that the purchased display de...

Страница 50: ...th the supplied HDMI cable Make sure the display device is powered on 5 Optional Locate the PC port of the VC400 Codec and connect it to the HDMI port on the PC with the supplied HDMI VGA direct cable for sharing content 6 Connect the DC19V port on the VC400 Codec to an AC power outlet with the supplied power adapter and power cord Note Installing the VC120 Video Conferencing System Do the followi...

Страница 51: ...the VC120 Codec 4 Optional Locate the Audio In port of the VC120 Codec do one of the following Connect it to the Audio Out port on the video conferencing phone with the 7 5m Ethernet cable that labeled Audio In and then connect the free end of the expansion microphone cables to MIC ports on the video conferencing phone ...

Страница 52: ... of the VC120 Codec and connect it to the HDMI port on the PC with the supplied HDMI VGA direct cable for sharing content 7 Connect the DC19V port on the VC120 Codec to an AC power outlet with the supplied power adapter and power cord Note You can fasten all cables with cable ties after all devices are connected Installing the Camera You can choose to mount the camera on your TV or a wall dependin...

Страница 53: ...the TV with Velcro b Mounting the camera on a wall You can also decide to mount the camera on a wall The recommended height for camera positioning is 1 5m 1 8m above the ground Do the following 1 Punch holes into the wall and then insert the expansion bolts Installation location for the expansion bolts and punching requirement are shown above 2 Lock the L bracket with the M3 8 screws 3 Move the se...

Страница 54: ...k the camera to the L bracket and then connect the other end of the DVI cable to the VC120 Codec Installing Batteries in the Remote Control Do the following 1 Open the battery cover on the back of the remote control 2 Insert the batteries with the correct polarity 3 Replace the battery cover ...

Страница 55: ...f the system Do one of the following Long press on the VC400 VC120 Codec Short press on the VC400 VC120 Codec the display device will prompt Press the power button to turn off the system Press any button on remote control to cancel Press again to power off the system or press any button on the remote control to cancel System Initialization Once you have power on the system it will begin its initia...

Страница 56: ...he initializing process the system will complete startup by cycling the following steps 1 The LED indicator on the VC400 VC120 Codec illuminates solid green 2 The LED indicator on the camera illuminates solid green 3 The display device displays the boot up screen 4 The camera pans to the middle position automatically 5 The display device displays the setup wizard when you first start up or reset t...

Страница 57: ... display the setup wizard To complete the setup wizard via the remote control 1 Set the language displayed on the display device The default language is English 2 Press Next soft key to continue 3 Set the date and time e g set the time zone time format date format and the type of the daylight saving time ...

Страница 58: ...me and date manually For more information refer to on Date Time on page 170 4 Press Next soft key to continue or press Previous soft key to return to the previous screen 5 Edit the site name The default site name is Yealink VC400 or Yealink VC120 6 Press Next soft key to continue or press Previous soft key to return to the previous screen 7 Change the administrator password ...

Страница 59: ...ess Previous soft key to return to the previous screen The display device displays firewall port mapping information Do remember the new administrator password or keep a copy of the password in a safe place If you forget the password you will need to reset the system to the factory settings and then reset the password or use the default password 0000 For more information refer to Resetting to Fact...

Страница 60: ...he phone will try to contact a DHCP server in your network to obtain network parameters by default If you uncheck the DHCP checkbox you will need to configure IPv4 or IPv6 network manually For more information refer to Configuring LAN Properties on page 48 11 Press Next soft key to continue or press Previous soft key to return to the previous screen 12 Optional Log into the Cloud platform ...

Страница 61: ...81 Firewall If your system communicates with other devices through a firewall you must configure your firewall to allow incoming and outgoing traffic to the system through reserve ports Users placing calls through a firewall to systems with IP addresses may experience one way audio or video if the firewall is not properly configured to allow video and audio traffic For more information refer to Co...

Страница 62: ...k Demo1 to Yealink Demo3 are three default contacts stored in the local directory You can place a test call to the default contact and the test call will be routed to the Yealink demo video conferencing system Yealink demo contacts can help users to test quickly whether the system is normal after installation ...

Страница 63: ...irewall or NAT Intelligent Firewall Traversal Quality of Service VPN Preparing the Network Before you begin configuring the network options you must make sure your network is ready for video conferencing The following table lists the network information you need to obtain from the network administrator when preparing your network Type Network Information Type of system DHCP Static IP Address IP ad...

Страница 64: ... connecting the system to the network The system broadcasts DISCOVER messages to request network information carried in DHCP options The DHCP server responds with the specific values in the corresponding options The following table lists the common DHCP options supported by the system Parameter DHCP Option Description Subnet Mask 1 Specifies the client s subnet mask Time Offset 2 Specifies the off...

Страница 65: ...ngs via DHCP options you need to contact your network administrator to configure the DHCP server properly DHCP feature parameters on the system are described below Parameter Description Configuration Method DHCP Enables or disables the system to obtain network settings from the DHCP server Default Enabled Note If you change this parameter the system will reboot to make the change take effect Remot...

Страница 66: ...ill take effect after a reboot 5 Click Confirm to reboot the system immediately To configure DHCP via the remote control 1 Select Menu Advanced default password 0000 Internet Configuration IPv4 2 Check the DHCP checkbox 3 Press the Save soft key to accept the change The display device prompts Reboot now 4 Select OK to reboot the system immediately Static DNS Even though DHCP is enabled you can man...

Страница 67: ...ult Blank Note It only works if the value of the Static IPv4 DNS is set to On If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface Secondary DNS Configures the secondary IPv4 DNS server Default Blank Note It only works if the value of the Static IPv4 DNS is set to On If you change this parameter the system will reboot to make the chan...

Страница 68: ...checkbox 3 Check the Static DNS checkbox 4 Enter the desired values in the DNS Primary Server and DNS Secondary Server fields respectively 5 Press the Save soft key to accept the change The display device prompts Reboot now Configuring Network Settings Manually If DHCP is disabled or the system cannot obtain network settings from the DHCP server you need to configure them manually The following pa...

Страница 69: ...e Static IP Enables or disables the system to use manually configured network settings Default Disabled Note If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface IP Address Configures the IP address assigned to the system Default Blank Note If you change this parameter the system will reboot to make the change take effect Remote Contr...

Страница 70: ...stem will reboot to make the change take effect Remote Control Web User Interface Secondary DNS Configures the secondary DNS server assigned to the system Default Blank Note If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface To configure the IP address mode via web user interface 1 Click on Network LAN Configuration 2 Select desired...

Страница 71: ...mode via phone user interface 1 Select Menu Advanced default password 0000 Internet Configuration 2 Select IPv4 or IPv4 IPv6 from the IP Mode field 3 Press the Save soft key to accept the change The IP phone reboots automatically to make settings effective after a period of time To configure a static IPv4 address via phone user interface 1 Select Menu Advanced default password 0000 Internet Config...

Страница 72: ...or an IPv6 network you can set up an IP address for the phone either by using DHCPv6 or by manually entering an IP address Ensure that your network environment supports IPv6 Contact your ISP for more information IPv6 Address Assignment Method Supported IPv6 address assignment methods Manual Assignment An IPv6 address and other configuration parameters e g DNS server for the IP phone can be statica...

Страница 73: ... the system Default Blank Note If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface IPv6 prefix 0 128 Configures the IPv6 prefix Default Blank Note If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface Gateway Configures the IPv6 default gateway Default Blank Note If you c...

Страница 74: ... Note If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface To configure IPv6 address assignment method via web user interface 1 Click on Network LAN Configuration 2 Select the desired IP mode IPv6 or IPv4 IPv6 from the pull down list of IPv4 IPv6 3 In the IPv6 Config block mark the DHCP or the Static IP radio box If you mark the Stati...

Страница 75: ...s or to highlight IPv6 and press 4 Select the desired IPv6 address assignment method If you uncheck the DHCP checkbox configure the IPv6 address and other network parameters in the corresponding fields 5 Press the Save soft key to accept the change The IP phone reboots automatically to make settings effective after a period of time To configure static DNS when DHCP is used via phone user interface...

Страница 76: ...or data over Ethernet This process entails devices first sharing transmission capabilities and then selecting the highest performance transmission mode supported by both systems Half duplex Half duplex transmission refers to transmitting voice or data in both directions but in one direction at a time this means one system can send data on the line but not receive data simultaneously Full duplex Fu...

Страница 77: ...k Advanced 2 Select the desired value from the pull down list of Network Speed 3 Click Confirm to accept the change A dialog box pops up to prompt that settings will take effect after a reboot 4 Click Confirm to reboot the system immediately VLAN VLAN Virtual Local Area Network is used to divide a physical network logically into several broadcast domains VLAN membership is configurable through sof...

Страница 78: ...ion about other devices LLDP transmits information as packets called LLDP Data Units LLDPDUs An LLDPDU consists of a set of Type Length Value TLV elements each of which contains a particular type of information about the device or port transmitting it LLDP MED Media Endpoint Discovery LLDP MED is published by the Telecommunications Industry Association TIA It is an extension to LLDP that operates ...

Страница 79: ...tion Status Duplex mode and network speed settings of the system The Auto Negotiation is supported and enabled by default The advertised capabilities of PMD Auto Negotiation is 1000BASE T full duplex mode 100BASE TX full duplex mode 100BASE TX half duplex mode 10BASE T full duplex mode 10BASE T half duplex mode TIA Organizationally Specific TLVs Media Capabilities The MED device type of the system...

Страница 80: ...ameters of LLDP feature on the system are described below Parameter Description Configuration Method LLDP Active Enables or disables LLDP feature on the system Default Disabled Note If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface Packet Interval 1 3600s Configures the interval in seconds for the system to send LLDP requests Defau...

Страница 81: ... Interval 1 3600s field 4 Press the Save soft key to accept the change The display device prompts Reboot now 5 Select OK to reboot the system immediately Manual Configuration for VLAN VLAN is disabled on systems by default You can configure VLAN manually Before configuring VLAN on the systems you need to obtain the VLAN ID from your network administrator Parameters of manual VLAN on the system are...

Страница 82: ...r the Internet WAN port Valid values 0 7 7 is the highest priority 0 is the lowest priority Default 0 Note If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface To configure VLAN for Internet port via web user interface 1 Click on Network Advanced 2 In the VLAN block select the desired value from the pull down list of Internet Port Act...

Страница 83: ...e DHCP option for a valid VLAN ID The predefined option 132 is used to supply the VLAN ID by default You can customize the DHCP option used to request the VLAN ID For more information on VLAN refer to VLAN Feature on Yealink IP Phones Parameters of VLAN feature on the system are described below Parameter Description Configuration Method DHCP VLAN Active Enables or disables the DHCP VLAN discovery ...

Страница 84: ...EEE 802 1 group of networking protocols It offers an authentication mechanism for devices to connect to a LAN or WLAN The 802 1X authentication involves three parties a supplicant an authenticator and an authentication server The supplicant is the system that wishes to attach to the LAN or WLAN With 802 1X port based authentication the system provides credentials such as user name and default pass...

Страница 85: ...is parameter the system will reboot to make the change take effect Web User Interface MD5 Password Configures the password for 802 1x authentication Note If you change this parameter the system will reboot to make the change take effect Web User Interface CA Certificates Configures the access URL of the CA certificate when the 802 1x authentication mode is configured as EAP TLS PEAP MSCHAPV2 or EA...

Страница 86: ...AP MD5 1 Enter the user name for authentication in the Identity field 2 Enter the password for authentication in the MD5 Password field b If you select EAP TLS 1 Enter the user name for authentication in the Identity field 2 Leave the MD5 Password field blank 3 In the CA Certificates field click Browse to locate the desired CA certificate pem crt cer or der from your local system 4 In the Device C...

Страница 87: ...ou select PEAP MSCHAPv2 1 Enter the user name for authentication in the Identity field 2 Enter the password for authentication in the MD5 Password field 3 In the CA Certificates field click Browse to locate the desired certificate pem crt cer or der from your local system ...

Страница 88: ...rtificate d If you select EAP TTLS EAP MSCHAPv2 1 Enter the user name for authentication in the Identity field 2 Enter the password for authentication in the MD5 Password field 3 In the CA Certificates field click Browse to locate the desired certificate pem crt cer or der from your local system ...

Страница 89: ...OK to reboot the system immediately H 323 Tunneling The H 245 protocol is a control protocol that manages the media sessions It is a part of the H 323 protocol suite The H 245 protocol is used primarily to negotiate the master slave relationship between communicating systems The H 245 messages can be encapsulated and carried between H 225 controlled system within H 225 messages This way of piggy b...

Страница 90: ...Administrator s Guide for Yealink Video Conferencing Systems 74 If H 323 tunneling feature is disabled the setup processes of an H 323 call are shown below ...

Страница 91: ...meter Description Configuration Method H 323 Tunneling Enables or disables the H 323 tunneling on the system You can configure it for the StarLeaf Cloud platform or H 323 call separately Default Disabled Remote Control Web User Interface To configure the H 323 tunneling for StarLeaf Cloud platform via web user interface 1 Click on Account VC Platform 2 Select StarLeaf from the pull down list of Pl...

Страница 92: ... 3 Select the desired value from the pull down list of H 323 Tunneling 4 Click Confirm to accept the change To configure H 323 tunneling for H 323 via web user interface 1 Click on Account H 323 2 Select the desired value from the pull down list of H 323 Tunneling ...

Страница 93: ... to the VC400 VC120 system through the reserved ports Users placing calls through a firewall to system may experience one way audio or video if the firewall is not properly configured Call Setup and Media Ports To place calls to other systems through the firewall you must configure your firewall to allow incoming and outgoing traffic to the system through the following Description Port Range Port ...

Страница 94: ...ts for an H 323 two way call Call Type Number of Required Ports Video 8 UDP ports 6 if presentation is disabled 2 TCP ports Voice 2 UDP ports 2 TCP ports Each additional video participant requires 8 UDP ports and 2 TCP ports Each additional audio participant requires 2 UDP ports and 2 TCP ports Required ports for a SIP two way call Call Type Number of Required Ports Video 8 UDP ports 5 if presenta...

Страница 95: ...P Port Scope Configures the range of the UDP ports Valid values 1 65535 Default range 50000 50499 Note SIP and H 323 calls share the configured ports If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface TCP Port Scope Configures the range of the TCP ports Valid values 1 65535 Default range 50000 50499 Note SIP and H 323 calls share th...

Страница 96: ...t that the settings will be implemented after a reboot 5 Click Confirm to reboot the system immediately To configure reserved ports via the remote control 1 Select Menu Advanced default password 0000 NAT Firewall 2 In the Reserved block configure the range of the UDP ports and TCP ports 3 Press the Save soft key to accept the change The display device prompts Reboot now 4 Select OK to reboot the s...

Страница 97: ...public IP address with the private IP address of your system you must configure your system to work with your static NAT server Note Static NAT feature parameters on the system are described below Parameter Description Configuration Method Static NAT Specifies the static NAT type Disabled the system does not use the NAT feature Manual the system uses the manually configured NAT public address Auto...

Страница 98: ...ulsory NAT works when you are in multi level intranet network to solve the one way audio or video problem Default Auto Web User Interface NAT Traversal Configures the NAT traversal type You can configure it for the SIP account or SIP IP call separately Disabled STUN StaticNat Default Disabled Note Static NAT works only if this parameter is set to StaticNat Remote Control Web User Interface To conf...

Страница 99: ... or video problem select Compulsory from the pull down list of Route Traversal to solve this problem 5 Click Confirm to accept the change To configure Static NAT for SIP account via web user interface 1 Click on Account SIP Account 2 Select StaticNat from the pull down list of NAT Traversal 3 Click Confirm to accept the change ...

Страница 100: ...fault password 0000 SIP IP Call 2 Select StaticNat from the pull down list of NAT Traversal 3 Press the Save soft key to accept the change STUN STUN is a network protocol used in NAT traversal for applications of real time voice video messaging and other interactive IP communications The STUN protocol allows entities behind a NAT to first discover the presence of a NAT and the type of NAT for more...

Страница 101: ...figuration Method Active Enables or disables the STUN Simple Traversal of UDP over NATs feature on the system Default Disabled Remote Control Web User Interface STUN Server Configures the IP address or the domain name of the STUN Simple Traversal of UDP over NATs server Default Blank Remote Control Web User Interface STUN Port Configures the port of the STUN Simple Traversal of UDP over NATs serve...

Страница 102: ...ser interface 1 Click on Network NAT Firewall 2 In the STUN Config block select the desired value from the pull down list of Active 3 Enter the IP address or the domain name of the STUN server in the STUN Server field 4 Enter the port of the STUN server in the Port field 5 Click Confirm to accept the change To configure STUN for SIP account via web user interface 1 Click on Account SIP Account ...

Страница 103: ...er interface 1 Click on Account SIP IP Call 2 Select STUN from the pull down list of NAT Traversal 3 Click Confirm to accept the change To configure STUN server via the remote control 1 Select Menu Advanced default password 0000 NAT Firewall 2 Check the STUN Active checkbox 3 Enter the IP address or the domain name of the STUN server in the STUN Server field ...

Страница 104: ...ost with IP address X can send a packet to the internal host only if the internal host had previously sent a packet to IP address X Port Restricted Cone A port restricted cone NAT is like a restricted cone NAT but the restriction includes port numbers Specifically an external host can send a packet with source IP address X and source port P to the internal host only if the internal host had previo...

Страница 105: ...ure it for the SIP account or SIP IP call separately Default Enabled Web User Interface To configure rport feature for SIP account via web user interface 1 Click on Account SIP Account 2 Select the desired value from the pull down list of RPort 3 Click Confirm to accept the change To configure rport feature for SIP IP call via web user interface 1 Click on Account SIP IP Call ...

Страница 106: ...ated in the public network A calls B and then A sends the RTP packets to the B If B enables the intelligent traversal feature B sends back RTP packets to the address where incoming RTP packet comes from A and B can communicate normally If B disables the intelligent traversal feature B sends RTP data to the private IP address of A causing the device display of A appears black screen To solve this p...

Страница 107: ...ations that require a fixed bit rate and are delay sensitive when the network capacity is insufficient There are four major QoS factors to be considered when configuring a modern QoS implementation bandwidth delay jitter and loss QoS provides a better network service through the following features Supporting dedicated bandwidth Improving loss characteristics Avoiding and managing network congestio...

Страница 108: ... different forwarding assurances Default PHB specifies that a packet marked with a DSCP value of 000000 gets the traditional best effort service from a DS compliant node VoIP is extremely bandwidth and delay sensitive QoS is a major issue in VoIP implementations with regard to guaranteeing how that packet traffic is not delayed or dropped due to interference from other lower priority traffic VoIP ...

Страница 109: ...lue for video packets Valid Values 0 63 Default 34 Note If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface Data Priority Specifies the DSCP value for data packets Valid Values 0 63 Default 63 Note If you change this parameter the system will reboot to make the change take effect Remote Control Web User Interface To configure QoS via...

Страница 110: ...nge The display device prompts Reboot now 4 Select OK to reboot the system immediately VPN VPN Virtual Private Network is a secured private network connection built on top of public telecommunication infrastructures such as the Internet VPN has become more prevalent due to the benefits of scalability reliability convenience and security VPN provides remote offices or individual users with secure a...

Страница 111: ...s OpenVPN to achieve the VPN feature To prevent disclosure of private information tunnel system must authenticate each other before secure VPN tunnel is established After the VPN feature is configured properly on the system the system acts as a VPN client and uses the certificates to authenticate the VPN server To use VPN the compressed package of VPN related files should be uploaded to the system...

Страница 112: ...package of VPN related files tar to the system Web User Interface To configure VPN via web user interface 1 Click on Network Advanced 2 In the VPN block click Browse to locate the VPN file tar from your local system 3 Click Upload to upload the file to the system 4 Select the desired value from the pull down list of Active 5 Click Confirm to accept the change A dialog box pops up to prompt that th...

Страница 113: ... via the remote control 1 Select Menu Advanced default password 0000 Advanced Network 2 Check the VPN checkbox 3 Press the Save soft key to accept the change The display device prompts Reboot now 4 Select OK to reboot the system immediately ...

Страница 114: ...Administrator s Guide for Yealink Video Conferencing Systems 98 ...

Страница 115: ... Ringback Timeout Auto Refuse TimeoutSIP IP Call by Proxy Default LayoutPublic Mode Configuring Video Conference Platform Yealink video conferencing system can log into the Yealink VC Cloud Management Service Yealink Meeting Server StarLeaf Zoom Pexip BlueJeans Mind Custom platform Users can access VMR using VC400 VC120 video conferencing system whilst benefiting from both the features provided by...

Страница 116: ... last four Cloud number to place a call If you want to place a call to a Cloud contact who is in different Yealink Cloud directory from you you should enter the 9 digit Cloud number to place a call Yealink VC Cloud Management Service platform parameters on the system are described below Parameter Description Configuration Method Cloud Account Enables or disables the Cloud feature Default Enabled N...

Страница 117: ...gement Service platform The number consists of 7 digits that are generated according to MAC address and it never expires Default PIN Code Login Pincode Pin Code Specifies the PIN code to log into the Yealink VC Cloud Management Service platform Default Blank Note It only works if the value of Login Type is set to PIN Code Login Remote Control Web User Interface Username Specifies the user name to ...

Страница 118: ...and password will be filled automatically next time It only works if the value of Login Type is set to Username Password Remote Control To configure Yealink VC Cloud Management Service platform via web user interface 1 Click on Account VC Platform 2 Select Enabled from the pull down list of Cloud Account 3 Select Yealink VC Cloud Management Service from the pull down list of Platform Type 4 Select...

Страница 119: ...he pull down list of Platform Type 4 Enter the IP address or domain name of the Yealink VC Cloud Management Service platform in the Server field 5 Select the desired sign in method from the pull down list of Login Type If you select Build in Cloud Number Press or to scroll to Onekey Login and then press If you select Pincode Login Enter your PIN code in the Pincode field press or to scroll to Log ...

Страница 120: ...tion refer to Video Conferencing System User Guide Yealink Meeting Server parameters on the system are described below Parameter Description Configuration Method Cloud Account Enables or disables the Cloud feature Default Enabled Note If it is disabled the system cannot register the YMS account Remote Control Web User Interface Platform Type Configures the platform type Yealink VC Cloud Management...

Страница 121: ...rt of the Yealink Meeting Server Default 0 Web User Interface Outbound Server Outbound Proxy Server Configures the IP address or domain name of the outbound proxy server Default Blank Remote Control Web User Interface Remember Password Enables or disables the system to remember the registration information Default ON Note If it is on other registration information will be filled automatically when...

Страница 122: ...to scroll to Register and then press After successful registration the display device displays and the LCD screen of the video conferencing phone displays Note Logging into the StarLeaf Cloud Platform You can log into the StarLeaf Cloud platform When you place a call using the StarLeaf Cloud account you can Call the other StarLeaf Cloud account to establish a point to point call A YMS account can ...

Страница 123: ...f Cloud platform Remote Control Web User Interface Platform Type Configures the platform type Yealink VC Cloud Management Service Yealink Meeting Server StarLeaf Zoom Pexip BlueJeans Mind Custom Default Yealink VC Cloud Management Service Remote Control Web User Interface QCP Code Specifies the quick access code to log into the StarLeaf Cloud platform Default Blank Remote Control Web User Interfac...

Страница 124: ...e in the QCP Code field 5 Press or to scroll to Log In and then press After successful registration the display device displays and the LCD screen of the video conferencing phone displays Note Logging into the Zoom Cloud Platform You can log into the Zoom Cloud platform and join the VMR Zoom Cloud platform parameters on the system are described below Parameter Description Configuration Method Clou...

Страница 125: ...Configures the IP address or domain name of the Zoom Cloud server Default zoomcrc com Remote Control Web User Interface Transport Configures the type of transport protocol for the Zoom Cloud platform UDP provides best effort transport via UDP for SIP signaling TCP provides reliable transport via TCP for SIP signaling TLS provides secure communication of SIP signaling DNS NAPTR performs the DNS NAP...

Страница 126: ...r interface 1 Click on Account VC Platform 2 Select Enabled from the pull down list of Cloud Account 3 Select Zoom from the pull down list of Platform Type 4 Configure the Zoom Cloud platform 5 Click Confirm to accept the change To configure Zoom Cloud platform via the remote control 1 Select Menu Advanced default password 0000 Video Conference Platform 2 In the Cloud Account field check the Enabl...

Страница 127: ...ync account Pexip platform parameters on the system are described below Parameter Description Configuration Method Cloud Account Enables or disables the Cloud feature Default Enabled Note If it is disabled the system cannot register the Pexip account Remote Control Web User Interface Platform Type Configures the platform type Yealink VC Cloud Management Service Yealink Meeting Server StarLeaf Zoom...

Страница 128: ... via UDP for SIP signaling TCP provides reliable transport via TCP for SIP signaling TLS provides secure communication of SIP signaling DNS NAPTR performs the DNS NAPTR and SRV queries for the service type and port if no server port is given Default TCP Web User Interface Server Expires Configures the registration expiration time in seconds of the Cloud server Default 3600 Web User Interface Remem...

Страница 129: ...om the pull down list of Platform Type 4 Configure the Pexip account settings 5 Click Confirm to accept the change To configure Pexip platform via the remote control 1 Select Menu Advanced default password 0000 Video Conference Platform 2 In the Cloud Account field check the Enabled checkbox 3 Select Pexip from the pull down list of Platform Type 4 Configure the Pexip account settings 5 Check the ...

Страница 130: ...s Cloud platform Remote Control Web User Interface Platform Type Configures the platform type Yealink VC Cloud Management Service Yealink Meeting Server StarLeaf Zoom Pexip BlueJeans Mind Custom Default Yealink VC Cloud Management Service Remote Control Web User Interface Server Server Host Configures the IP address or domain name of the BlueJeans server Default bjn vc Remote Control Web User Inte...

Страница 131: ...gures the registration expiration time in seconds of the Cloud server Default 3600 Web User Interface Keep Alive Interval Configures the interval in seconds that the system sends keep alive messages to the registry server So that the registry server will keep the connection open with the client Default 30 Web User Interface To configure BlueJeans Cloud platform via web user interface 1 Click on Ac...

Страница 132: ...ter the domain name or IP address of BlueJeans server in the Server field The default BlueJeans server is bjn vc 5 Press or to scroll to Log In and then press After successful registration the display device displays and the LCD screen of the video conferencing phone displays Logging into the Mind Platform You can log into the Mind platform and join the VMR Mind platform parameters on the system a...

Страница 133: ...ontrol Web User Interface Transport Configures the type of transport protocol for the Mind platform UDP provides best effort transport via UDP for SIP signaling TCP provides reliable transport via TCP for SIP signaling TLS provides secure communication of SIP signaling DNS NAPTR performs the DNS NAPTR and SRV queries for the service type and port if no server port is given Default TCP Web User Int...

Страница 134: ...d from the pull down list of Platform Type 4 Configure the Mind platform 5 Click Confirm to accept the change To configure Mind platform via the remote control 1 Select Menu Advanced default password 0000 Video Conference Platform 2 In the Cloud Account field check the Enabled checkbox 3 Select Mind from the pull down list of Platform Type 4 Enter the domain name or IP address of Mind server in th...

Страница 135: ...ing Server StarLeaf Zoom Pexip BlueJeans Mind Custom Default Yealink VC Cloud Management Service Remote Control Web User Interface Label Configures the account label displayed on the display device when registering a custom account Default Blank Remote Control Web User Interface Username Specifies the user name when registering a custom account Default Blank Remote Control Web User Interface Regis...

Страница 136: ...tion of SIP signaling DNS NAPTR performs the DNS NAPTR and SRV queries for the service type and port if no server port is given Default TCP Web User Interface Server Expires Configures the registration expiration time in seconds of the custom server Default 3600 Web User Interface Remember password Enables or disables the system to remember the registration information Default ON Note If it is on ...

Страница 137: ...account settings 5 Click Confirm to accept the change To configure custom account via the remote control 1 Select Menu Advanced default password 0000 Video Conference Platform 2 In the Cloud Account field check the Enabled checkbox 3 Select Custom from the pull down list of Platform Type 4 Configure the custom account settings 5 Check the Remember Password checkbox to remember your registration in...

Страница 138: ...irm to accept the change To log out of the Cloud platform via the remote control 1 Select Menu Advanced default password 0000 Video Conference Platform 2 Press or to scroll to Log Out and then press The display device prompts Log out the account 3 Press or to scroll to OK and then press Configuring the Third party Virtual Meeting Room A Virtual Meeting Room VMR is an online space typically hosted ...

Страница 139: ...ce VMR Server1 Configures the VMR server address Default zoomcrc com Note It only works when you do not log into a Cloud platform or you only register a Yealink Cloud account YMS account Web User Interface VMR Name 2 Configures the VMR name Default Blue Jeans Note It only works when you do not log into a Cloud platform or you only register a Yealink Cloud account YMS account Web User Interface VMR...

Страница 140: ...unt Web User Interface VMR Server 4 Configures the VMR server address Default Blank Note It only works when you do not log into a Cloud platform or you only register a Yealink Cloud account YMS account Web User Interface VMR Name 5 Configures the VMR name Default Blank Note It only works when you do not log into a Cloud platform or you only register a Yealink Cloud account YMS account Web User Int...

Страница 141: ...k on Setting 3rd VMR 2 Enter VMR name and server address in the corresponding fields respectively 3 Click Confirm to accept the change The VMRs will appear at the pull down list of Call Type on your dialing screen You can select the desired third party platform to call corresponding VMRs quickly ...

Страница 142: ...he SIP account for register authentication Default Blank Remote Control Web User Interface User Name Specifies the user name to use for authentication when registering with a SIP server Default Blank Remote Control Web User Interface Password Specifies the password associated with the user name used to authenticate the system to the SIP server Default Blank Remote Control Web User Interface Server...

Страница 143: ...col for the SIP account UDP provides best effort transport via UDP for SIP signaling TCP provides reliable transport via TCP for SIP signaling TLS provides secure communication of SIP signaling DNS NAPTR performs the DNS NAPTR and SRV queries for the service type and port if no server port is given Default UDP Note TLS is available only when the system is registered with a SIP server that supports...

Страница 144: ...e change After successful registration the display device displays and the LCD screen of the video conferencing phone displays To configure SIP account via the remote control 1 Select Menu Advanced default password 0000 SIP Account 2 Configure the SIP account settings 3 Press the Save soft key to accept the change After successful registration the display device displays and the LCD screen of the ...

Страница 145: ...120 can call the far site by dialing an IP address directly Remote Control Web User Interface Transport Configures the type of transport protocol for the SIP IP call UDP provides best effort transport via UDP for SIP signaling TCP provides reliable transport via TCP for SIP signaling DNS NAPTR performs the DNS NAPTR and SRV queries for the service type and port if no server port is given Default T...

Страница 146: ...atekeeper you can register an H 323 account for the system and specify its H 323 name and extension This allows others to call the system by entering the H 323 name or extension instead of the IP address SIP settings parameters on the system are described below Parameter Description Configuration Method H 323 Protocol Enables or disables the H 323 protocol Default Enabled Note Only when it is set ...

Страница 147: ...stem Default blank Note Users can place point to point calls using the extension if both systems are registered with a gatekeeper Remote Control Web User Interface Gatekeeper Mode Configures the gatekeeper mode Disabled the system does not use a gatekeeper Auto the system automatically discovers a gatekeeper Manual specify the IP address and port for the gatekeeper manually Default Disabled Remote...

Страница 148: ... access the gatekeeper Remote Control Web User Interface Gatekeeper Username Specifies the user name for authentication with gatekeeper Default blank Remote Control Web User Interface Gatekeeper Password Specifies the password for authentication with gatekeeper Default blank Remote Control Web User Interface H 460 Active Enables or disables firewall traversal of H 323 calls using H 460 protocols D...

Страница 149: ...efer to H 235 on page 263 Protocol Monitor Port Specifies the port for the H 323 protocol Valid values 0 65535 Default 1720 Note It is only applicable to H 323 IP call Web User Interface Local Early Media Enables or disables local early media feature on the system Default Disabled If it is set to Enabled the system will send video SDP twice during a call to solve the compatibility between Yealink ...

Страница 150: ...y device displays and the LCD screen of the video conferencing phone displays To configure H 323 account via the remote control 1 Select Menu Advanced default password 0000 H 323 2 Configure the H 323 account settings 3 Press the Save soft key to accept the change After successful registration the display device displays and the LCD screen of the video conferencing phone displays ...

Страница 151: ...er Auto the system automatically discovers a gatekeeper Manual specify the IP address and port for the gatekeeper manually Default Disabled Remote Control Web User Interface Gatekeeper IP Address 1 Gatekeeper Server 1 Configures the IP address of the primary H 460 server Note It is configurable only when the Gatekeeper Mode is set to Manual Remote Control Web User Interface Gatekeeper Port 1 Port ...

Страница 152: ...id values Integer from 0 to 65535 Default 1719 Remote Control Web User Interface H 460 Active Enables or disables firewall traversal of H 323 calls using H 460 protocols Default Disabled Remote Control Web User Interface To enable H 460 configure the H 323 preferences first as described in Configuring H 323 Settings chapter with the following exceptions To configure H 460 firewall traversal for H ...

Страница 153: ...ange DTMF DTMF Dual Tone Multi frequency better known as touch tone is used for telecommunication signaling over analog telephone lines in the voice frequency band DTMF is the signal sent from the IP phone to the network which is generated when pressing the keypad during a call Each key pressed on the IP phone generates one sinusoidal tone of two frequencies One is generated from a high frequency ...

Страница 154: ...with the other end during call establishment The RTP Event packet contains 4 bytes The 4 bytes are distributed over several fields denoted as Event End bit R bit Volume and Duration If the End bit is set to 1 the packet contains the end of the DTMF event You can configure the sending times of the end RTP Event packet INBAND DTMF digits are transmitted within the audio of the IP phone conversation ...

Страница 155: ...info type when DTMF type is set to SIP INFO or RFC2833 SIP INFO You can configure it for the Cloud platform SIP account or SIP IP call separately DTMF Relay DTMF Telephone Event Default DTMF Relay Remote Control Web User Interface DTMF Payload Type 96 127 Configures the value of DTMF payload You can configure it for the Cloud platform SIP account or SIP IP call separately Default 101 Web User Inte...

Страница 156: ...96 127 field 5 Click Confirm to accept the change To configure DTMF type for SIP account via web user interface 1 Click on Account SIP Account 2 Select the desired value from the pull down list of DTMF Type If SIP INFO or RFC2833 SIP INFO is selected select the desired value from the pull down list of DTMF Info Type ...

Страница 157: ... interface 1 Click on Account SIP IP Call 2 Select the desired value from the pull down list of DTMF Type If SIP INFO or RFC2833 SIP INFO is selected select the desired value from the pull down list of DTMF Info Type 3 Enter the desired value in the DTMF Payload Type 96 127 field 4 Click Confirm to accept the change DTMF parameters for H 323 protocol on the system are described below ...

Страница 158: ... system automatically negotiates the way INBAND RFC2833 or SIP INFO to transfer DTMF digits Default Auto Remote Control Web User Interface To configure DTMF type for StarLeaf Cloud platform via web user interface 1 Click on Account VC Platform 2 Select StarLeaf from the pull down list of Platform Type 3 Select the desired value from the pull down list of DTMF Type 4 Click Confirm to accept the cha...

Страница 159: ...g quality This can effectively reduce the frame size and the bandwidth required for audio video transmission Audio Codecs The audio codec that the system uses to establish a call should be supported by the server When placing a call the system will offer the enabled audio codec list to the server and then use the audio codec negotiated with the called party according to the priority The following ...

Страница 160: ...e system not to use Web User Interface Special audio codec byte sequence Enables or disables the special audio codec byte sequence Note Different devices have different definition about how some Codecs are stored Big endian or little endian which may lead to the audio incompatibility problems between Yealink and certain devices You can enable the special audio codec byte sequence feature to solve ...

Страница 161: ...d by the server When placing a call the system will offer the enabled video codec list to the server and then use the video codec negotiated with the called party according to the priority The following table summarizes the supported video codecs on the system Name MIME Type Bit Rate Frame Rate Frame Size H 264 High Profile H264 90000 90 kbps to 2048 kbps 5 fps to 30 fps Tx WQVGA 360P 448P 540P 72...

Страница 162: ... to use Web User Interface To configure video codecs via web user interface 1 Click on Account Codec 2 Select the desired video codec from the Disable Codecs or the Enable Codecs column 3 Click or to disable or enable the selected video codec 4 Select the desired video codec from the Enable Codecs column and click or to adjust the priority of the selected video codecs 5 Click Confirm to accept the...

Страница 163: ...nfiguration Method Call Protocol Specifies the desired call protocol for placing calls Auto the system automatically uses the available call protocol SIP the system uses the SIP protocol for placing calls H 323 the system uses H 323 protocol for placing calls Default Auto Remote Control Web User Interface To configure call protocol via web user interface 1 Click on Setting Call Features 2 Select t...

Страница 164: ...ng feature You can configure account polling feature via web user interface only Account polling parameter on the system is described below Parameter Description Configuration Method Account Polling Enables or disables the account polling on the system Disabled the system can only call other system s account using the call type with the highest priority Cloud platform H 323 account SIP account Ena...

Страница 165: ...with a Yealink Cloud account and a SIP account 2 On system A select Auto from the pull down list before calling 3 On system A dial the account numbers of system B Result If account polling is disabled system A can only use its Cloud account highest priority to call system B If account polling is enabled system A will use its Cloud account highest priority to call system B first If this call fails ...

Страница 166: ...ation Method DND Enables or disables DND mode on the system Default Disabled Remote Control Web User Interface To configure DND via web user interface 1 Click on Setting Call Features 2 Select the desired value from the pull down list of DND 3 Click Confirm to accept the change If Enabled is selected the display device will display and the LCD screen of the video conferencing phone will display To...

Страница 167: ...e auto answer multiway feature allows the system to answer new incoming calls automatically during an active call Auto answer parameters on the system are described below Parameter Description Configuration Method Auto Answer Enables or disables the auto answer feature on the system Default Enabled Remote Control Web User Interface Auto Answer Mute Enables or disables the auto answer mute feature ...

Страница 168: ... the Auto Answer Mute checkbox 4 Check the Auto Answer Multiway checkbox 5 Press the Save soft key to accept the change The display device will display and the LCD screen of the video conferencing phone will display Auto Dialout Mute The auto dialout mute feature allows the system to turn off the microphone when placing a call so that the other party cannot hear you Auto dialout mute parameter on ...

Страница 169: ...e matched the results will be displayed on the screen If no list is added to the search source list the system will not perform a search even if call match is enabled For more information on how to search source list in dialing refer to Search Source List in Dialing on page 239 Parameter of call match on the system is described below Parameter Description Configuration Method Call Match Enables or...

Страница 170: ...ion time and date and call duration Users can manage call history list via the remote control web user interface and video conferencing phone To save call history you must enable the history record feature on the system in advance If history record feature is disabled the system will not save call log and prompt the missed call The history record parameter on the system is described below Paramete...

Страница 171: ... the system to achieve the best result Uplink bandwidth is the max bandwidth of outgoing calls and downlink bandwidth is the max bandwidth of incoming calls The configurable bandwidths on the system are 256 kb s 384 kb s 512 kb s 640 kb s 768 kb s 1024 kb s 1280 kb s 1500 kb s 2000 kb s 3000 kb s 4000 kb s 5000 kb s 6000 kb s You can configure which bandwidth is to be used when in the dialing scre...

Страница 172: ...lect the desired value from the pull down list of Downlink Bandwidth 4 Click Confirm to accept the change To configure bandwidth settings via the remote control 1 Select Menu Call Features Bandwidth Settings 2 Select the desired value from the pull down list of Uplink Bandwidth 3 Select the desired value from the pull down list of Downlink Bandwidth 4 Press the Save soft key to accept the change N...

Страница 173: ...esentation you are sending Presentation parameters on the system are described below Parameter Description Configuration Method Share Resolution Specifies the resolution of the presentation 1080P 720P Default 1080P Web User Interface Share Frame Rate Specifies the frame rate of the presentation 30fps 15fps 5fps Default 15fps Web User Interface To configure the presentation via web user interface 1...

Страница 174: ...is described below Parameter Description Configuration Method Ringback Timeout 30 240 Configures the duration time in seconds in the ringback state Default 200 If it is set to 200 the system will cancel the dialing if the call is not answered within 200s Web User Interface To configure ringback timeout via web user interface 1 Click on Setting Call Features 2 Select the desired value from the pull...

Страница 175: ...Timeout 30 240 Configures the duration time in seconds in the ringing state Default 120 If it is set to 120 the system will stop ringing if the call is not answered within 120s Web User Interface To configure auto refuse timeout via web user interface 1 Click on Setting Call Features 2 Select the desired value from the pull down list of Auto Refuse Timeout 30 240 3 Click Confirm to accept the chan...

Страница 176: ... URI of the far site the system actually uses SIP IP address to establish a connection On when dialing the URI of the far site the system uses SIP account to establish a connection The outbound proxy server should be configured to resolve this URI address Default Off Web User Interface To configure the SIP IP call by proxy via web user interface 1 Click on Setting Call Features 2 Select the desire...

Страница 177: ...s shown in big size and the local video image along the right side of the screen is shown in small size when a call is established If it is set to Remote Full screen the remote video image is shown in full size when a call is established If it is set to Equal the remote and local video images are shown in the same size when a call is established Web User Interface Use Default Layout Enables or dis...

Страница 178: ...de simplifies the idle screen by displaying only local camera and calendar schedules if you register a YMS account and have a scheduled conference In public mode therefore users can join scheduled calendar and answer calls Public mode is disabled by default If it is enabled these conditions apply On the display device status bar and three soft keys are hidden On the video conferencing phone four s...

Страница 179: ...ters of public mode are described below Parameter Description Configuration Method Public Mode Enables or disables the public mode Default Disabled Web User Interface To configure public mode via web user interface 1 Click on Setting Call Features 2 Select the desired value from the pull down list of Public Mode 3 Click Confirm to accept the change ...

Страница 180: ...Administrator s Guide for Yealink Video Conferencing Systems 164 ...

Страница 181: ...nd camera setting Topics include General Setting Audio Setting Adjusting MTU of Video Packets Dual Stream Protocol Mix Sending Configuring Camera Settings Far end Camera Control Camera Control Protocol Output Resolution USB Configuration Video Recording ScreenshotTones General Setting Virtual Remote Control In addition to using the remote control you can also control the VC400 VC120 video conferen...

Страница 182: ...al remote control Configuring Remote Control If your environment does not use remote control you can choose to disable remote control feature The remote control parameter is described below Parameter Description Configuration Method Remote Control Enabled Enables or disables the remote control feature Default On Note If it is set to Off you cannot use remote control and virtual remote control to c...

Страница 183: ...splayed on the display device of the far site Site name can consist of letters numbers or special characters You can configure the site name of the system via the remote control or web user interface The site name parameter is described below Parameter Description Configuration Method Site Name Configures the site name of the system Valid values String within 64 characters Default For VC400 Yealin...

Страница 184: ...ng Phone Backlight determines the brightness of the LCD screen display allowing users to read easily in dark environments Backlight time specifies the delay time to turn off the backlight when the phone is inactive You can configure the backlight time in the following formats Always On Backlight is turned on permanently 15 s 30 s 1 Min 2 Min 5 Min 10 Min 30 Min Backlight is turned off when the pho...

Страница 185: ... conferencing phone will detect and use the same language as the display device The default language of the web user interface is English You can change the web user interface language for web user interface The available languages for system are English Chinese Simplified Chinese Traditional French German Italian Polish Portuguese Spanish Turkish Russian and Czech The language parameters on the s...

Страница 186: ...gurable manually or obtained by DHCP via DHCP Option 42 The phone will use the NTP server obtained by DHCP preferentially If the system cannot obtain the time and date from the NTP server you need to manually configure them The time and date can use one of several different formats Time Zone A time zone is a region on Earth that has a uniform standard time It is convenient for areas in close comme...

Страница 187: ...s the primary NTP server Default cn pool ntp org Remote Control Web User Interface Secondary Server NTP Secondary Server Configures the secondary NTP server Default cn pool ntp org Remote Control Web User Interface Synchronism 15 86400s Configures the interval in minutes for the system to synchronize time and date with NTP server Default 1000 Web User Interface Daylight Saving Time Configures the ...

Страница 188: ...e time to start DST Note It only works if the value of the Daylight Saving Time is set to Enabled Web User Interface End Date When the DST calculation method is set to By Date Configures the time to end DST Note It only works if the value of the Daylight Saving Time is set to Enabled Web User Interface DST Start Month When the DST calculation method is set to By Week Configures the time to start D...

Страница 189: ...m the NTP server automatically Manual Time configure the time and date manually Default SNTP Remote Control Web User Interface Time Format Time Configures the time format Hour12 Hour24 Default Hour 24 Remote Control Web User Interface Date Format Date Configures the date format WWW MMM DD DD MMM YY YYYY MM DD DD MM YYYY MM DD YY DD MMM YYYY WWW DD MMM Default YYYY MM DD Remote Control Web User Int...

Страница 190: ...ng Time If you select Enabled do one of the following Mark the DST By Date radio box in the Fixed Type field Enter the start time in the Start Date field Enter the end time in the End Date field Mark the DST By Week radio box in the Fixed Type field Select the desired values from the pull down lists of DST Start Month DST Start Day of Week DST Start Day of Week Last in Month DST Stop Month DST Sto...

Страница 191: ... change To configure the time and date manually via web user interface 1 Click on Setting Date Time 2 Select Manual Time from the pull down list of Time Type 3 Enter the current date in the Date field 4 Enter the current time in the Time field 5 Select the desired value from the pull down list of Time Format 6 Select the desired value from the pull down list of Date Format ...

Страница 192: ...ferencing phone prompts Sleeping Press any key to resume You can press any key on the remote control or the video conferencing phone to wake the system up When receiving a call the system will be woken up automatically You can change the automatic sleep time via the remote control or web user interface You can also press the sleep key on the remote control to make the system sleep immediately The ...

Страница 193: ... Sleep Time 3 Press the Save soft key to accept the change Hiding IP Address The status bar of the display device displays IP address You can choose to hide IP address on the status bar Parameter of hiding IP address on the system is described below Parameter Description Configuration Method Hide IP address Enables or disables the system to hide IP address on the status bar Default Disabled Web Us...

Страница 194: ...u can hide the Yealink logo as needed to achieve the best video effects Parameter of hiding menu logo on the system is described below Parameter Description Configuration Method Hide Menu Logo Enables or disables the system to hide Yealink logo on the idle screen Default Disabled Web User Interface To enable the hiding menu logo feature via web user interface 1 Click on Setting General 2 Select th...

Страница 195: ...uring a call Disabled the system does not display call time during a call Hide with operation menu the system displays call time during a call but the call time will hide with operation menu Enabled the system displays call time during a call Default Hide with operation menu Web User Interface Mute Icon Enables or disables the system to hide mute icon during a call Disabled the system does not dis...

Страница 196: ...eration menu the system displays recording icon during a call but the recording icon will hide with operation menu Enabled the system displays recording icon during a call Default Disabled Web User Interface Sitename Icon Enables or disables the system to hide site name icon during a call Disabled the system does not display site name icon during a call Hide with operation menu the system displays...

Страница 197: ...ypt icon during a call Hide with operation menu the system displays encrypt icon during a call but the encrypt icon will hide with operation menu Enabled the system displays encrypt icon during a call Default Disabled Web User Interface OutPut Mute Icon Enables or disables the system to hide output mute icon output volume is set to 0 during a call Disabled the system does not display output mute i...

Страница 198: ... menu the system displays second screen icon during a call but the icon will hide with operation menu Enabled the system displays second screen icon during a call Default Disabled Web User Interface To hide icons in a call via web user interface 1 Click on Setting General 2 Select the desired values from the pull down lists of Time Icon Mute Icon Camera Icon Recording Icon Sitename Icon Hold Icon ...

Страница 199: ...s out of the web user interface automatically Default 5 Web User Interface To configure the relog offtime via web user interface 1 Click on Setting General 2 Enter the desired time in the ReLogOffTime 1 1000min field 3 Click Confirm to accept the change Key Tone You can enable the key tone feature for the system to make a keyboard click sound effect key tone when pressing any key on the remote con...

Страница 200: ...ts meeting password feature If an 8 way MCU is imported to your VC120 yourVC120 will support meeting password feature Meeting password is used to manage the incoming calls If you enable this feature only the people who know the meeting password can dial your system If your system is idle meeting password can prevent people from dialing your system If your system is during a call or conducting a co...

Страница 201: ...esired value in the Password field 4 Click Confirm to accept the change To configure the meeting password via the remote control 1 Select Menu Basic Meeting Password 2 Check the Meeting Password checkbox 3 Enter the meeting password in the Password field 4 Press the Save soft key to accept the change People can press IP meeting password or meeting password IP to dial your system or join your confe...

Страница 202: ...ts up to 100 whitelist records Meeting whitelist is configurable via web user interface only The meeting whitelist parameter is described below Parameter Description Configuration Method Meeting Whitelist Number Add the IP address account or domain name of the remote system to the meeting whitelist Default blank Remote Control Web User Interface To add the meeting whitelist numbers via web user in...

Страница 203: ...r priority VC400 VC120 will still refuse incoming calls from this user VC400 VC120 will not remind incoming calls and save call history from blacklist VC400 VC120 supports up to 100 blacklist records Blacklist is configurable via web user interface only The blacklist parameter is described below Parameter Description Configuration Method Meeting Blacklist Number Add the IP address account or domai...

Страница 204: ...thod The on screen keyboard supports English and Russian input methods You can enter characters using the input method only when the input method is enabled Changing keyboard input method is configurable via web user interface only To configure keyboard input method via web user interface 1 Click on Setting General 2 In the Keyboard IME block select the desired list from the Disabled column and cl...

Страница 205: ...d soft key or Keyboard soft key The display device appears the on screen keyboard 2 Press abc soft key to change the input method Audio Setting Audio Output Device The system supports the following audio output devices Auto VCS Phone HDMI Line Output By default the system automatically selects the audio output devices with highest priority The priority is VCS Phone HDMI Line Output If the audio ou...

Страница 206: ...t device for the system Valid values Auto selects the audio output device with highest priority VCS Phone selects the video conferencing phone HDMI selects the built in speakerphone of the display device Line Output selects the speakerphone connected to the Line Out port on the VC400 VC120 Codec Default Auto If VCS Phone is selected as the audio output device manually or automatically the audio in...

Страница 207: ... 2 Select the desired value from the pull down list of Audio Output 3 Press the Save soft key to accept the change Audio Input Device The system supports the following audio input devices Auto select the audio input device with highest priority VCS Phone video conferencing phone Wired Micpod VCM30 Line Input microphone connected to the Line In port on the VC400 VC120 Codec Line In VCS Phone Line I...

Страница 208: ...ice parameter is described below Parameter Description Configuration Method Audio Input Specifies the audio input device for the VC400 VC120 Valid values Auto selects the audio input device with highest priority VCS Phone selects the video conferencing phone Wired Micpod selects the VCM30 video conferencing microphone array Line Input selects the microphone connected to the Line In port on the VC4...

Страница 209: ...near end audio output device will not play sound from the Line Input device If Line In device is selected as the audio input device the near end audio output device will play sound from the Line Input device During a video training for main office and branch office both offices need to hear the video sound you can select this option To configure the audio input device via web user interface 1 Clic...

Страница 210: ...etwork path may be fragmented or dropped This results in poor quality video at the receiving device You can set the maximum MTU size of the video packets sent by the system The default value is 1500 bytes Specify the MTU size used in calls based on the network bandwidth settings If the video becomes blocky or network errors occur packets may be too large decrease the MTU If the network is burdened...

Страница 211: ... value in the Video MTU field 3 Click Confirm to accept the change A dialog box pops up to prompt that the settings will take effect after a reboot 4 Click Confirm to reboot the system immediately To configure MTU via the remote control 1 Select Menu Advanced default password 0000 Advanced Network 2 Enter the desired value in the Video MTU 1000 1500 field 3 Press the Save soft key to accept the ch...

Страница 212: ...ot support the protocol for sharing content MCU will automatically mix the content and camera video and send them in one channel For more information on mix sending refer to Mix Sending on page 200 Dual stream protocol parameters on the system are described below Parameter Description Configuration Method H 239 Enables or disables the H 239 protocol for sharing content You can configure it for the...

Страница 213: ...desired value from the pull down list of H 239 4 Click Confirm to accept the change To configure H 239 dual stream protocol for H 323 call via web user interface 1 Click on Account H 323 2 Select the desired value from the pull down list of H 239 ...

Страница 214: ...ans Mind Custom platform via web user interface 1 Click on Account VC Platform 2 Select Zoom Pexip BlueJeans Mind Custom from the pull down list of Platform Type 3 Select the desired value from the pull down list of BFCP 4 Click Confirm to accept the change To configure BFCP dual stream protocol for SIP call via web user interface 1 Click on Account SIP Account ...

Страница 215: ...he pull down list of BFCP 3 Click Confirm to accept the change To configure BFCP dual stream protocol for SIP IP call via web user interface 1 Click on Account SIP IP Call 2 Select the desired value from the pull down list of BFCP 3 Click Confirm to accept the change ...

Страница 216: ...he far site may not support receiving shared content In this case you can enable mix sending feature on the system Mix sending feature allows the sender to compound multiple video streams local image shared content to one video stream and then send it to the far site The mix sending parameter on the system is described below Parameter Description Configuration Method Mix Enables or disables the mi...

Страница 217: ...onment If the environment light is dark you can increase the compensation value Default Off Remote Control Web User Interface Flicker Disables or configures the value of camera flicker frequency 50Hz 60Hz Default 50Hz Note Indoor lights powered by a 50Hz or 60Hz power source can produce a flicker You can adjust the camera flicker frequency according to the power source the light is powered by Remo...

Страница 218: ...of the VCC20 camera Auto Yealink recommends this setting for most situations It calculates the best white balance setting based on lighting conditions in the room One push Use the predefined color temperature settings to provide acceptable color reproduction ATW Automatically adjust the white balance based on the video image shoot by the camera Tungsten Bulb Fluorescent Cool Daylight Manual Manual...

Страница 219: ... VCC18 camera the default value is 3 For VCC20 camera the default value is 10 Remote Control Web User Interface Sharpness Configures the sharpness of the camera Valid Values 0 14 Default For VCC18 camera the default value is 1 For VCC20 camera the default value is 8 Note The picture will be sharp and clear but moderate to heavy motion at low call rates can cause some frames to be dropped Remote Co...

Страница 220: ...ault Middle Remote Control Web User Interface Noise Reduction 3D Specifies the noise reduction 3D mode of VCC18 camera Off Low Middle High Default Off Note It is not applicable to VCC20 camera Remote Control Web User Interface Hangup Mode Enables or disables the camera to flip the image view when camera is handed at up side down position Default Off Remote Control Web User Interface Camera Pan Dir...

Страница 221: ...on refer to Multiple Preset on page 206 Web User Interface Camera Map Enables or disables the preview of camera presets Default On Note If it is set to on you can view the pre saved camera presets Remote Control Web User Interface Clear Preset Clears all camera presets Remote Control Web User Interface Reset Camera Resets the camera settings to factory defaults Note The camera presets will also be...

Страница 222: ... a numeric key via the remote control or web user interface Each camera preset stores the camera pan tilt and zoom settings This means that you can point a camera at pre defined locations by pressing stored keys You can store up to 10 preset camera positions using the remote control If you want to store more than 10 preset camera positions you can enable the multiple preset feature For VC400 video...

Страница 223: ...nt speaker Multiple preset parameters are described below Parameter Description Configuration Method Multiple Preset Enables or disables the multiple preset feature on the system Default Off Web User Interface Use Points local camera at a preset position Web User Interface Replace Preset Replaces the stored camera preset position with current camera preset position Web User Interface Delete Preset...

Страница 224: ...focus of the camera 3 Click to store a camera preset to the specified number The web user interface prompts Do you want to add the preset 4 Click Confirm to accept the change A Preset menu appears Moving Local Camera to a Preset Position You can check whether the camera presets are correct after you set multiple camera preset positions To use a camera preset position via web user interface 1 Click...

Страница 225: ... can replace the stored camera preset position with current camera preset position To replace the stored camera preset position via web user interface 1 Click on Setting Preset 2 Click and then select Replace Preset Deleting the Stored Preset To delete the stored camera preset position via web user interface 1 Click on Setting Preset ...

Страница 226: ...er interface prompts Do you want to delete the preset 3 Click Confirm to accept the change Clearing the Stored Preset To clear all camera preset positions via web user interface 1 Click on Setting Camera 2 Click Clear Preset The web user interface prompts Clear the camera data 3 Click Confirm to accept the change ...

Страница 227: ...ll 0 300s Configures the duration time in seconds when far site cannot control the local camera during a call Default 15 If it is set to 15 the far site is not allowed to control the local camera in the first 15 seconds of the call Web User Interface Far Control Near Camera Enables or disables the far site to control the local camera Default Enabled Remote Control Web User Interface Far Set of Cam...

Страница 228: ... 2 Make the desired changes 3 Press the Save soft key to accept the change Camera Control Protocol VC400 VC120 video conferencing systems support camera control protocols FECC Far End Camera Control You can enable the FECC protocol for SIP call or H 323 call If far site wants to control the local camera both the far site and local site should enable the camera control protocol simultaneously If th...

Страница 229: ... protocol for far site to control near camera You can configure it for the Zoom Pexip BlueJeans Mind Custom platform SIP account or SIP IP call separately Default For Zoom Pexip BlueJeans Mind Custom platform and SIP IP call the default value is Enabled For SIP account the default value is Disabled Note You cannot configure it for the Yealink StarLeaf Cloud platform Web User Interface To configure...

Страница 230: ...ct the desired value from the pull down list of FECC H 323 4 Click Confirm to accept the change To configure FECC H 323 camera control protocol for H 323 calls via web user interface 1 Click on Account H 323 2 Select the desired value from the pull down list of FECC H 323 ...

Страница 231: ...tform via web user interface 1 Click on Account VC Platform 2 Select Zoom Pexip BlueJeans Mind Custom from the pull down list of Platform Type 3 Select the desired value from the pull down list of FECC SIP 4 Click Confirm to accept the change To configure FECC SIP camera control protocol for SIP calls via web user interface 1 Click on Account SIP Account ...

Страница 232: ...ue from the pull down list of FECC SIP 3 Click Confirm to accept the change To configure FECC SIP camera control protocol for SIP IP call via web user interface 1 Click on Account SIP IP Call 2 Select the desired value from the pull down list of FECC SIP 3 Click Confirm to accept the change ...

Страница 233: ...tion of primary display device Auto select the highest output resolution automatically Available output resolutions The available resolutions depend on the display device you are using Default Auto Web User Interface Display2 Configures the output resolution of secondary display device Auto select the highest output resolution automatically Available output resolutions The available resolutions de...

Страница 234: ...ture If you disable the USB feature you cannot view the videos and screenshots stored in the USB flash driver via the remote control and cannot record video or capture screenshots too The USB configuration parameter on the system is described below Parameter Description Configuration Method USB Enable Enables or disables the USB feature Default Enabled Web User Interface To configure USB configura...

Страница 235: ...ne Before recording video you need to insert a USB flash drive to the USB port on the VC400 VC120 Codec to store recorded video Make sure the USB feature is enabled The video recording parameters on the system are described below Parameter Description Configuration Method Recording Enables or disables the video recording feature on the system Default Enabled If it is set to Disabled you cannot rec...

Страница 236: ...desired value from the pull down list of Auto Recording 4 Click Confirm to accept the change To record video when the system is idle via the remote control 1 Press to start recording and press again to stop recording To record video during a call via the remote control 1 Do one of the following Long press to start recording and long press again to stop recording Press More soft key to open More sc...

Страница 237: ...the remote control or web user interface Before capturing the screenshot you need to insert a USB flash drive to the USB port on the VC400 VC120 Codec to store screenshots Make sure the USB feature is enabled The screenshot parameter on the system is described below Parameter Description Configuration Method Screenshot Enables or disables the screenshot feature on the system Default Enabled If it ...

Страница 238: ...ntrol 1 Press To capture screenshots during a call via the remote control 1 Do one of the following Long press Press More soft key to open More screen Press or to scroll to Screenshot and then press to capture screenshot Tones When automatically answering an incoming call the system will play a warning tone You can customize tones or select specialized tone sets vary from country to country to ind...

Страница 239: ...Britain Greece Hungary Lithuania India Italy Japan Mexico New Zealand Netherlands Norway Portugal Spain Switzerland Sweden Russia United States Configured tones can be heard on the system for the following conditions Condition Description Ring Back Ring back tone Busy When the callee is busy Call Waiting Call waiting tone ...

Страница 240: ...f the tone ranges from 200Hz to 7000 Hz If it is set to 0Hz it means the tone is not played A tone consists of at most four different frequencies Duration the duration in milliseconds of the dial tone ranges from 0 to 30000ms You can configure at most eight different tones for one condition and separate them by commas e g 250 200 0 1000 200 300 500 600 700 800 1000 2000 If you want the system to p...

Страница 241: ...works if the parameter Select Country is set to Custom Web User Interface Auto Answer Customizes the auto answer tone for the system For more information on how to customize the tone refer to the parameter Ring Back Default Blank Note It only works if the parameter Select Country is set to Custom Web User Interface To configure tones via web user interface 1 Click on Setting Tones 2 Select the des...

Страница 242: ...Administrator s Guide for Yealink Video Conferencing Systems 226 ...

Страница 243: ... You can view local directory via web user interface remote control and the video conferencing phone But you can edit or delete the local directory via web user interface and remote control Yealink Cloud contacts If you log into the Yealink VC Cloud Management Service platform Yealink Cloud contacts which are created by your administrator appear in your directory Note that only the administrator c...

Страница 244: ...desired name in the Name field 4 Enter the desired number in the Number field 5 Click Add New Number enter other number of the contact 6 Select the desired contact bandwidth from the pull down list of Bandwidth The default contact bandwidth is Auto The system will select the appropriate bandwidth automatically 7 Click Confirm to accept the change To add conference contacts via web user interface 1...

Страница 245: ...le numbers are stored for the selected contacts the system will select number 1 by default 6 Click Confirm to accept the change To edit contacts from the local directory via web user interface 1 Click on Directory Local Directory 2 Hover your cursor over the local contact you want to edit 3 Click in the pop up detail box ...

Страница 246: ... user interface prompts Connecting please wait and jumps automatically to the Home screen To import an XML file of the local contact list via web user interface 1 Click on Directory Local Directory 2 Select Import from the pull down list of Import Export 3 Click Browse to locate a local contact list file file format must be xml from your local system 4 Click Confirm to import the local contact lis...

Страница 247: ...le of the local contact information which is located in the first line of the CSV file 6 Optional Check the Delete Old Contacts checkbox It will delete all existing local contacts while importing the local contact list 7 Select the desired value from the pull down list If Ignore is selected this column will not be imported to the system If Display Name is selected this column will be imported to t...

Страница 248: ...pplication protocol for accessing and maintaining information services for the distributed directory over an IP network Yealink VCS systems are configurable to interface with a enterprise directory server that supports LDAP version 2 or 3 The following LDAP servers are supported Microsoft Active Directory Sun ONE Directory Server Open LDAP Directory Server Microsoft Active Directory Application Mo...

Страница 249: ...e search request to the LDAP server the LDAP server then performs a search based on the entered content and configured filter condition and returns results to the system LDAP Attributes The following table lists the most common attributes used to configure the LDAP lookup on the system Abbreviation Name Description gn givenName First name cn commonName LDAP attribute is made up from given name joi...

Страница 250: ...system port 389 is used by default LDAPs TLS SSL connection between LDAP server and the system port 636 is used by default Default LDAP Web User Interface LDAP Server Address Configures the domain name or IP address of the LDAP server Web User Interface Port Configures the LDAP server port Default 389 Web User Interface LDAP User Name Configures the user name used to login the LDAP server Note The...

Страница 251: ...es should be separated by spaces Example cn sn Web User Interface LDAP Number Attributes Configures the number attributes of each record to be returned by the LDAP server Note multiple numbers attributes should be separated by spaces Example telephoneNumber mobile Web User Interface LDAP Display Name Configures the display name of the contact record displayed on the LCD screen Note multiple number...

Страница 252: ...f the match is successful the system will display the contact name when places a call Web User Interface LDAP Sorting Results Enables or disables the system to sort the search results in alphabetical order or numerical order Default Disabled Web User Interface For more information on string representations of LADP query filters refer to RFC2254 To configure LDAP via web user interface 1 Click on D...

Страница 253: ...control but you can delete call history only via web user interface History record feature is enabled by default If it is disabled the call history won t be saved For more information refer to History Record on page 154 Note To view call history via web user interface 1 Click on Directory History The web user interface displays all call history 2 Click All Calls select the desired call history lis...

Страница 254: ...To delete an entry from the call history list via web user interface 1 Click on Directory History The web user interface displays all call history 2 Mark the checkbox for the entry you want to delete 3 Click Delete Callog and select Selected The web user interface prompts Delete the callog 5 Click Confirm to delete the callog You can also select Delete All from the from the pull down list of Delet...

Страница 255: ...ry Setting 2 In the Search Source List In Dialing block select the desired list from the Disabled column and click The selected list appears in the Enabled column 3 Repeat step 2 to add more lists to the Enabled column 4 Optional To remove a list from the Enabled column select the desired list and then click 5 To adjust the display order of the enabled list select the desired list and click or 6 C...

Страница 256: ...e is shown in big size and the local video image along the right side of the screen is shown in small size In the secondary display device the presentation is shown in full size Primary display device Secondary display device Multi way Video Calls Take four way conference as an example In the primary display device all video images are shown in the same size In the secondary display device the loc...

Страница 257: ...demonstrate system functions to the customers The LCD screen of the system will prompt DEMO ONLY NOT FOR RESELL You can change the VC400 VC120 from a demo machine to be a normal machine by importing a device type license The device type license is configurable via web user interface only To import the device type license via web user interface 1 Click on Security License 2 Click Browse to locate t...

Страница 258: ...ional voice call an original caller and eight other sites 8 way MCU is configurable via web user interface only 8 way MCU is configurable via web user interface only VC400 VC120 video conferencing system supports a permanent version of the 8 way MCU and a trial version of the 8 way MCU They have the same feature Permanent version of the 8 way MCU each VC400 VC120 has a unique MCU license The MCU l...

Страница 259: ...al caller and eight other sites permanently Note VCS Integrated with Control Systems The Yealink video conferencing systems provide an API interface for the third party control system The API commands can be sent to Yealink video conferencing systems over LAN or Upgrading the system or performing a factory reset will not affect the imported 8 way license If the system has been imported a trial ver...

Страница 260: ... described below Parameter Description Configuration Method Current Control TCP Port Control TCP port read only Default 6024 Web User Interface Control Security Enabled Enables or disables an authentication password for TCP connection Default Enabled Web User Interface Control Security Password Configures the authentication password for TCP connection Web User Interface To configure LAN Connection...

Страница 261: ...m for serial communication Serial Connection parameters are described below Parameter Description Configuration Method Baud Rate Configures the baud rate Available baud rates are 2400 4800 9600 19200 38400 115200 Default 115200 Note It must be the same rate for both devices Web User Interface Data Bits Configures the data bits Available data bits are 7 8 Default 8 Note It must be the same data bit...

Страница 262: ...m the pull down lists of Baud Rate 3 Select the desired value from the pull down lists of Data Bits 4 Select the desired value from the pull down lists of Parity 5 Select the desired value from the pull down lists of Stop Bits 6 Click Confirm to accept the change When you successfully deploy environment and configure the third party control system the Yealink video conferencing systems and the con...

Страница 263: ... enabled Users are prompted to enter the password when accessing the menus except the Status menu After the user mode is enabled the user can log into the web user interface of the system with user credentials The default user name is user User mode parameters on the system are described below Parameter Description Configuration Method User Type Specifies the user type Default Administrator Note T...

Страница 264: ...sers can log into the web user interface and access the Advanced menu option with administrator privilege by default The default administrator password is 0000 and can be only changed by an administrator For security reasons the administrator should change the default administrator password as soon as possible The system supports ASCII characters 32 126 0x20 0x7E in passwords Administrator passwor...

Страница 265: ...ord field 5 Enter the new password or leave it blank in the User Password field 6 Click Confirm to accept the change To configure administrator password via the remote control 1 Select Menu Advanced default password 0000 Password Reset 2 Enter the old password in the Current Password field 3 Configure a new password in the New Password and Confirm Password fields 4 Press the Save soft key to accep...

Страница 266: ... that the configured port is not used Web User Interface HTTPS Enables or disables the user to access the web user interface of the system using the HTTPS protocol Default Enabled Remote Control Web User Interface HTTPS Port Specifies the HTTPS port for the user to access the web user interface of the system Valid Values 1 65535 Default 443 Note Ensure that the configured port is not used Web User...

Страница 267: ...roviding communications privacy and managing the security of message transmission allowing the system to communicate with other remote parties and connect to the HTTPS URL for provisioning in a way that is designed to prevent eavesdropping and tampering TLS protocol is composed of two layers TLS Record Protocol and TLS Handshake Protocol The TLS Record Protocol completes the actual data transmissi...

Страница 268: ...etwork protocol The system supports the following cipher suites DHE RSA AES256 SHA DHE DSS AES256 SHA AES256 SHA EDH RSA DES CBC3 SHA EDH DSS DES CBC3 SHA DES CBC3 SHA DHE RSA AES128 SHA DHE DSS AES128 SHA AES128 SHA IDEA CBC SHA DHE DSS RC4 SHA RC4 SHA RC4 MD5 EXP1024 DHE DSS DES CBC SHA EXP1024 DES CBC SHA EDH RSA DES CBC SHA EDH DSS DES CBC SHA DES CBC SHA EXP1024 DHE DSS RC4 SHA EXP1024 RC4 SH...

Страница 269: ...ficate When the system requests a TLS connection with a server the system should verify the certificate sent by the server to decide whether it is trusted based on the trusted certificates list The system has 36 built in trusted certificates You can upload up to 10 custom certificates to the system The format of the certificates must be pem cer crt and der For more information on 36 trusted certif...

Страница 270: ...tocol You can configure it for the Zoom Pexip BlueJeans Mind Custom platform or SIP account separately UDP provides best effort transport via UDP for the SIP signaling TCP provides reliable transport via TCP for SIP signaling TLS provides secure communication for SIP signaling DNS NAPTR performs the DNS NAPTR and SRV queries for the service type and port if no server port is given Default For Zoom...

Страница 271: ...stom Certificates All Certificates Default Default Certificates Note If you change this parameter the system will reboot to make the change take effect Web User Interface Upload Trusted Certificate File Upload the custom CA certificate to the system Note A maximum of 10 CA certificates can be uploaded to the system The certificate you want to upload must be in pem crt cer or der format Web User In...

Страница 272: ...t of Only Accept Trusted Certificates 3 Select the desired value from the pull down list of Common Name Validation 4 Select the desired value from the pull down list of CA Certificates 5 Click Confirm to accept the change A dialog box pops up to prompt that the settings will take effect after a reboot 6 Click Confirm to reboot the system immediately To configure TLS for the Zoom Pexip BlueJeans Mi...

Страница 273: ...the pull down list of the Transport 4 Click Confirm to accept the change To configure TLS for the SIP account via web user interface 1 Click on Account SIP Account 2 Select TLS from the pull down list of the Transport 3 Click Confirm to accept the change ...

Страница 274: ...or der from your local system 3 Click Upload to upload the certificate To configure the device certificate via web user interface 1 Click on Security Server Certs 2 Select the desired value from the pull down list of Device Certificates 3 Click Confirm to accept the change A dialog box pops up to prompt that the settings will take effect after a reboot 4 Click Confirm to reboot the system immediat...

Страница 275: ...IP calls the participants in the call must enable SRTP simultaneously When this feature is enabled on both systems the encryption algorithm utilized for the session is negotiated between the systems This negotiation process is compliant with RFC 4568 When a site places a call on the SRTP enabled system the system sends an INVITE message with the RTP encryption algorithm to the destination system T...

Страница 276: ...tp 101 0 15 The SRTP parameter on the system is described below Parameter Description Configuration Method SRTP Specifies the SRTP type You can configure it for the Zoom Pexip BlueJeans Mind Custom platform SIP account or SIP IP call separately Disabled do not use SRTP in SIP calls Optional negotiate with the far site whether to use SRTP for media encryption in SIP calls Compulsory compulsory use ...

Страница 277: ...VC Platform 2 Select Zoom Pexip BlueJeans Mind Custom from the pull down list of Platform Type 3 Select the desired value from the pull down list of SRTP 4 Click Confirm to accept the change To configure SRTP for SIP account via web user interface 1 Click on Account SIP Account If SRTP is enabled for the Cloud platform or SIP account you should also configure the transport type to TLS This ensures...

Страница 278: ...ct the desired value from the pull down list of SRTP 3 Click Confirm to accept the change To configure SRTP for SIP IP call via web user interface 1 Click on Account SIP IP Call 2 Select the desired value from the pull down list of SRTP 3 Click Confirm to accept the change ...

Страница 279: ...the StarLeaf Cloud platform or H 323 call separately Disabled do not use H 235 in H 323 calls Optional negotiate with the far site whether to use H 235 in H 323 calls Compulsory compulsively use H 235 in H 323 calls Default Disabled Web User Interface Rules of H 235 security in H 323 calls Far Near Compulsory Optional Disabled Compulsory H 235 Call H 235 Call Fail to establish call Optional H 235 ...

Страница 280: ...Select the desired value from the pull down list of H 235 4 Click Confirm to accept the change To configure H 235 for H 323 via web user interface 1 Click on Account H 323 2 Select the desired value from the pull down list of H 235 3 Click Confirm to accept the change ...

Страница 281: ...onsidered to be an abnormal call You can reject the abnormal SIP incoming call or answer it using IP address or SIP account randomly The abnormal call answering parameter on the system is described below Parameter Description Configuration Method Abnormal Call Answering Specifies the account type for answering abnormal SIP incoming calls Disabled reject the abnormal SIP incoming calls Account Answ...

Страница 282: ...e Call parameter on the system is described below Parameter Description Configuration Method Safe Mode Call Enables or disables the Safe Mode Call feature Disabled Answer incoming H 323 calls directly without validation Enabled Verify whether the incoming H 323 call is coming from a video conferencing system If it is the VC400 VC120 video conferencing system will answer it If not the incoming call...

Страница 283: ...Configuring Security Features 267 2 Select the desired value from the pull down list of Safe Mode Call 3 Click Confirm to accept the change ...

Страница 284: ...Administrator s Guide for Yealink Video Conferencing Systems 268 ...

Страница 285: ...t firmware You can upgrade the system firmware via web user interface The firmware name of the VC400 video conferencing system is 30 x x x rom x is the actual firmware version the firmware name of the VC120 video conferencing system is 40 x x x rom x is the actual firmware version You can download the latest firmware version from the Yealink website To upgrade firmware via web user interface 1 Cli...

Страница 286: ... waiting Note Importing Exporting Configuration We may need you to provide the system configurations for the Yealink field application engineers to help analyze problems You can import configurations to your system to configure your system quickly The file format of configuration file must be bin To export the system configurations via web user interface 1 Click on Setting Configuration 2 Check or...

Страница 287: ...t still have not solved your problems When factory resetting the video system the following happens The call logs will be deleted Passwords will be reset to default All system parameters will be reset to default values All custom files will be deleted Such as certificates local contacts and registered accounts It is not possible to undo a factory reset But you can export the configuration first an...

Страница 288: ...assword 0000 Reboot Reset 2 Select Reset and then press The display device prompts Reset to Factory 3 Select OK and then press The system reboots automatically The system will reset to factory sucessfully after startup To reset the system via the rest key on the VC400 VC120 Codec Using tiny objects for example the paper clip to press and hold the reset button for 15 seconds until the screen turns ...

Страница 289: ...NMP server You can download SNMP application to monitor and manage information on a network entity The following table lists the basic object identifiers OIDs supported by the system MIB OID Description YEALINK MIB 1 3 6 1 2 1 37459 2 1 1 0 The textual identification of the contact person for the system together with the contact information For example Sysadmin root localhost YEALINK MIB 1 3 6 1 2...

Страница 290: ...er Description Configuration Method SNMP Active Enables or disables SNMP feature on the system Default Disabled Note If you change this parameter the system will reboot to make the change take effect Web User Interface Port Specifies the SNMP port Valid Values 1 65535 Default 161 Note If you change this parameter the system will reboot to make the change take effect Web User Interface Trusted Addr...

Страница 291: ...om the pull down list of Active 3 Enter the SNMP port in the Port field 4 Enter the IP address or domain name of the SNMP server in the Trusted Address field Multiple IP addresses or domain names should be separated by spaces 5 Click Confirm to accept the change A dialog box pops up to prompt that the settings will take effect after a reboot 6 Click Confirm to reboot the system immediately ...

Страница 292: ...Administrator s Guide for Yealink Video Conferencing Systems 276 ...

Страница 293: ...s Analyzing Configuration Files Viewing Call Statistics Using Diagnostic Methods Viewing Log Files The log files are Yealink specific debug files which may be requested by the Yealink support organization if you need technical support The current log files are time stamped event log files You can export the log files to a syslog server or the local system The administrator can specify the location...

Страница 294: ...t to Server Web User Interface System Log Level Specify the system log level Note The supported level is 0 9 Higher value indicates more detailed content Default 6 Web User Interface To configure the system log level via web user interface 1 Click on Setting Configuration 2 Select the desired level from the pull down list of System Log Level 3 Click Confirm to accept the change To export a log fil...

Страница 295: ...xport to open the file download window and then save the file to your local system The following figure shows a portion of a log file To export a log file to a syslog server via web user interface 1 Click on Setting Configuration 2 Mark the Server radio box in the Export System Log field ...

Страница 296: ... the Ethernet software Engineers can analyze the packets to troubleshoot problems Packets parameters are described below Parameter Description Configuration Method Pcap Feature Start and stop capturing packets or export the captured packets Web User Interface Packet Capture Count Configures the count of the number of packets to capture Default 5 Web User Interface Packet Capture Clip Bytes Configu...

Страница 297: ...h as http dns and sip are not supported If no protocol is specified all the protocols are used Direction Values src dst src and dst src or dst If no source or destination is specified the src or dst keywords are applied For example host 10 2 2 2 is equivalent to src or dst host 10 2 2 2 Host s Values net port host portrange If no host s is specified the host keyword is used For example src 10 1 1 ...

Страница 298: ... packets having destination TCP port range from 200 to 10000 and destination IP network 10 0 0 0 8 Default Blank Note It only works if the parameter Pcap Filter Type is set to Custom To capture packets via web user interface 1 Click on Setting Configuration 2 Enter the desired value in the Packet Capture Count field 3 Enter the desired value in the Packet Capture Clip Bytes field 4 Select the desi...

Страница 299: ...the Internet ports of the system and the PC to the same hub and then use Sniffer Ethereal or Wireshark software to capture the signal traffic You can also set mirror port on a switch to monitor the port connected to the system Getting Information from Status Indicators In some instances status indicators are helpful for finding system troubles Status indicators may consist of the power LED icons o...

Страница 300: ...dwidth Frame Rate Use the remote control to select More Call Statistics during an active call to view call statistics Using Diagnostic Methods The system supports the following diagnostic methods Audio Diagnose Check whether the audio input device and audio output device are working properly Camera Diagnose Check whether the camera can pan and change focus normally Ping Check whether the system ca...

Страница 301: ...sion to reception and reports errors and packet loss The results of the test include a statistical summary of the response packets received including the minimum maximum and the mean round trip times 5 Press the Back soft key to return to the Diagnose menu Trace Route 1 Select Menu Diagnose Trace Route 2 Select Start and then press 3 The system will trace 8 8 8 8 address by default 4 You can also ...

Страница 302: ...ections are correct and secure These are common causes of problems If problems you encounter are not mentioned in this chapter you can contact your distributor or Yealink FAE General Issues Why is the display device black Check whether the display device is connected properly to the VC400 VC120 Codec Check whether the system is in sleep mode Press any key on the video conferencing phone or remote ...

Страница 303: ...unts have been registered correctly and the system uses the appropriate account to call the far site Ensure that the number you are calling is correct Check whether the far site rejects your call Check whether the firewall blocks the inbound traffics from the other site Check whether the far site has already up to maximum call in limitation If the local site is forced to use encryption ensure that...

Страница 304: ...on for packet loss Check the configuration of the network speed and duplex mode on the system switch and router Camera Issues Why can t I adjust the camera angle and focus You can adjust the camera when the system is idle or during a call The camera cannot be adjusted when the system is in the menu screen Ensure that the batteries in the remote control are in good working condition and installed c...

Страница 305: ...e that the ringer volume is not set to the minimum Check whether the far site is muted Why can t the far site hear the local audio Ensure that the local audio input device is connected correctly Check whether the local site is muted Check whether the system has enabled the auto answer mute feature Check whether the system has enabled the auto dialout mute feature Why can t I hear the other site cl...

Страница 306: ...ach other s voices clearly Wires may also cause this problem Replace the old with the new cables and then reconnect to check whether the new cables provide better connectivity Why can t I view the local video image Check whether the local site camera is connected to the VC400 VC120 Codec correctly Check whether camera is powered on and the LED indicator illuminates green Check whether the camera i...

Страница 307: ...You can disable the network adaptive feature so that the system will send packets to the negotiated address other than the actual address Network address adapter parameter is described below Parameter Description Configuration Method Network Address Adapter Enable or disable the network address adapter feature Valid values Enabled send packets to the actual address Disabled send packets to the neg...

Страница 308: ...llowing guidelines help prevent image burn in Ensure that static images are not displayed for long periods Be aware that meetings that last more than an hour without much movement can have the same effect as a static image Configure the automatic sleep time to be 1 hours or less Consider decreasing the monitor s sharpness brightness and contrast settings if they are set to their maximum values How...

Страница 309: ...click Confirm To avoid corrupting the system you should not unplug the power adapter from the system to power off the system Why does the system fail to upgrade Ensure that the firmware is different from the firmware currently in use Ensure that the downloaded firmware applies to the system Ensure that the system is powered on normally and the network is available during the upgrade process When u...

Страница 310: ...Administrator s Guide for Yealink Video Conferencing Systems 294 ...

Страница 311: ...6 00 Canada Manitoba Winnipeg 06 00 Chile Easter Islands 06 00 Mexico Mexico City Acapulco 06 00 United States Central Time 05 00 Bahamas Nassau 05 00 Canada Montreal Ottawa Quebec 05 00 Cuba Havana 05 00 United States Eastern Time 04 30 Venezuela Caracas 04 00 Canada Halifax Saint John 04 00 Chile Santiago 04 00 Paraguay Asuncion 04 00 United Kingdom Bermuda Bermuda 04 00 United Kingdom Falkland ...

Страница 312: ...eb 01 00 Czech Republic Prague 01 00 Denmark Kopenhagen 01 00 France Paris 01 00 Germany Berlin 01 00 Hungary Budapest 01 00 Italy Rome 01 00 Luxembourg Luxembourg 01 00 Macedonia Skopje 01 00 Netherlands Amsterdam 01 00 Namibia Windhoek 01 00 Poland Warsaw 02 00 Estonia Tallinn 02 00 Finland Helsinki 02 00 Gaza Strip Gaza 02 00 Greece Athens 02 00 Israel Tel Aviv 02 00 Jordan Amman 02 00 Latvia R...

Страница 313: ... Omsk 06 30 Myanmar Naypyitaw 07 00 Russia Krasnoyarsk 07 00 Thailand Bangkok 08 00 China Beijing 08 00 Singapore Singapore 08 00 Australia Perth 08 00 Russia Irkutsk Ulan Ude 08 45 Eucla 09 00 Korea Seoul 09 00 Japan Tokyo 09 00 Russia Yakutsk Chita 09 30 Australia Adelaide 09 30 Australia Darwin 10 00 Australia Sydney Melbourne Canberra 10 00 Australia Brisbane 10 00 Australia Hobart 10 00 Russi...

Страница 314: ...ass 1 Public Primary Certification Authority G3 GeoTrust Primary Certification Authority G2 Yealink com Yealinkvc com Class 3 Public Primary Certification Authority G2 Equifax Secure Global eBusiness CA 1 DigiCert High Assurance EV Root CA VeriSign Universal Root Certification Authority Equifax Secure Certificate Authority Thawte Primary Root CA Thawte Personal Freemail CA Class 3 Public Primary C...

Страница 315: ...ty G5 Note Yealink endeavors to maintain a built in list of most common used CA Certificates Due to memory constraints we cannot ensure a complete set of certificates If you are using a certificate from a commercial Certificate Authority not in the list above you can send a request to your local distributor At this point you can upload your particular CA certificate into your phone For more inform...

Страница 316: ...Administrator s Guide for Yealink Video Conferencing Systems 300 ...

Страница 317: ... Configuring Video Conference Platform 99 Configuring H 323 Setting 130 Configuring LAN Properties 48 Configuring Network 47 Configuring Network Settings Manually 52 Configuring Network Speed and Duplex Mode 60 Configuring Packets 280 Configuring Safe Mode Call 266 Configuring SIP Settings 126 Configuring System Settings 165 Configuring the System for Use with a Firewall or NAT 77 Configuring the ...

Страница 318: ... 108 M Manual Configuration for VLAN 65 Meeting Blacklist 187 Meeting Password 184 Meeting Whitelist 186 Methods of Transmitting DTMF Digit 138 Mix Sending 200 Multiple Preset 206 N Network Address Translation 81 O Output Resolution 217 P Packaging Contents 3 Physical Features 2 Placing a Test Call from VCS 46 Powering the System On and Off 39 Preparing the Network 47 Public Mode 162 Q Quality of ...

Страница 319: ...ces 30 User Mode 247 Using the API with a LAN Connection 244 Using the API with a Serial Connection 245 Using Diagnostic Methods 284 V VC400 VC120 Codec 10 VCC18 VCC20 HD Camera 12 VCM30 Video Conferencing Microphone Array 20 VCR10 Remote Control 23 VCS Integrated with Control Systems 243 Video Audio Issues 289 Video Codecs 145 Video Conferencing Phone 14 Video Recording 219 Viewing Call Statistic...

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