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Chapter 2: Getting Started

     23

Configuration: Audio Settings Screen

Use the 

Configuration: Audio Settings

 screen (Figure 2.12) to configure the 

Voice Activity Detection (VAD)

 settings 

and to prioritize your preferred audio codecs.

• 

Enable VAD

: Click the check box to enable VAD or uncheck the box to disable it (VAD is enabled by default). Voice 

activity detection is a software application that allows a data network carrying voice traffic over the internet to detect 
the absence of audio and conserve bandwidth by preventing the transmission of “silent packets” over the network. 
VAD can also be used to forward idle noise characteristics to a remote IP telephone so that the listener will not think 
the line has gone dead when the speaker is not actively speaking. When VAD is enabled, 

VAD Noise Matching

 is 

active. When VAD is disabled, the audio sends a constant stream of audio data, even when there is silence.
If VAD is enabled and the active audio codec is G.723.1, silence (SID) packets will be sent when silence is de-
tected according to the description in the G.723.1 standard.
If VAD is enabled, G.711 is the active codec, and VAD Noise Matching is set to NONE, no audio is sent and no 
silence packets are sent when silence is detected.
If VAD is enabled, G.711 is the active codec, and VAD Noise Matching is set to LEVEL, single-byte CNG packets 
are sent with the current noise volume level when silence is detected.
If VAD is enabled, G.711 is the active codec, and VAD Noise Matching is set to G711A2, CNG packets are format-
ted according to G.711 Appendix II standard and the VAD LP Noise Order corresponds to the M coefficient in the 
Linear Prediction synthesis filter when silence is detected.

• 

VAD Noise Matching

: Click the radio button for the preferred type of VAD noise matching needed. VAD noise 

matching is the dB level of comfort noise that is transmitted that equals the floor noise in order to ensure that the 
receiver does not inadvertantly disconnect the phone during periods when conversation is non-existant or the unit 
does not immediately pick it up. Enter the value for the preferred VAD Noise LP order. VAD noise matching is en-
abled by default and LP order values range from 1 to 10, with 5 being the default.

• 

Preferred Audio Codecs

: Order the audio codecs in the preferred sequence, from most to least preferred. Select 

the codec to move then click on the 

Up

 or 

Down

 buttons to move it up/down the list. Repeat this for each codec to 

be re-ordered.

Figure 2.12

 - Configuration: Audio Settings Screen

Содержание Audio Conferencing

Страница 1: ...Administrator s Guide MAX IP Conferencing Phone ...

Страница 2: ...ATOR S GUIDE CLEARONE PART NO 800 158 302 November 2013 REV 4 2 2013 ClearOne Inc All rights reserved No part of this document may be reproduced in any form or by any means without written permission from ClearOne ClearOne reserves specific privileges Information in this document is subject to change without notice U S PATENTS D499 392 ...

Страница 3: ...onfiguration 19 Manual Configuration 19 Configuration Network Settings Screen 20 Configuration SIP Configuration Screen 21 Configuration Audio Settings Screen 23 Configuration Trace Logging Settings Screen 24 Phonebook Add Edit and Delete Number Screen 25 View Log Device Log File Screen 26 Tools Diagnostics VoIP Statistics Screen 27 KEYPAD SETUP 28 Manually Assigning an IP Address 28 Option for Ma...

Страница 4: ...ith ease of access to controls Superior Audio The clear full sound of the MAX IP facilitates more natural interaction among participants One touch Conferencing Single button access to 3 way calling Easy to Use The intuitive user friendly controls provide simplicity to phone operations SERVICE AND SUPPORT If you need additional information on how to set up or operate your MAX IP conferencing phone ...

Страница 5: ...ventilation is provided This product should be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supply in your location consult your dealer or local power company Do not overload wall outlets and extension cords as this can result in fire risk or electric shock Never spill liquid of any kind on the product To reduce the risk of ele...

Страница 6: ... during shipping Claims must be made directly with the carrier Inspect your shipment carefully for obvious signs of damage If the ship ment appears damaged retain the original boxes and packing material for inspection by the carrier Contact your carrier immediately REPLACEMENT PARTS ACCESSORIES The items shown in Figure 1 2 are included in the MAX IP Expansion Kit Figure 1 1 MAX IP Parts Figure 1 ...

Страница 7: ... the Ethernet jack using the Ethernet cable 3 Connect the power cord to the base unit and plug it directly into an electrical outlet CONNECTING ADDITIONAL MAX IP PHONES 1 Connect the 12 Connection cable to the Link Out jack on the first phone and to the Link In jack on the second phone Figure 2 2 2 Continue linking up to two additional MAX IP phones in the same fashion A total of four units may be...

Страница 8: ...onfigured for automatic provisioning and assumes the IT administrator has correctly configured the DHCP and TFTP servers on the phone network When a large number of phones are to be provisioned the automatic method using the TFTP server is recommended otherwise use the Web Portal method when only a few phones are to be provisioned CONFIGURING THE IP ADDRESS Before any other provisioning can be don...

Страница 9: ...n the phone If the date and or version are more recent than what is stored on the phone the ggsip_all file will be downloaded and installed on the phone After the new firmware has loaded the MAX IP reboots and the new firmware becomes the active firmware If one or both files cannot be located it will be necessary to provision the phone via the Web Portal See Web Portal Provisioning page 15 PHONE C...

Страница 10: ...ovisioning through the Web Portal interface If a reboot command is issued remotely it will not take immediate effect if this parameter is set to 0 Default Value 0 Allowable Values 0 Wait until the call is completed before the phone is rebooted 1 Reboot phone immediately Configuration User Preferences See Configuration User Preferences screen on page 18 for information on how to set these parameter...

Страница 11: ...ondon Edinburgh Lisbon 14 GMT 01 00 Paris Stockholm Madrid Brussels Copenhagen West Central Africa 15 GMT 02 00 Athens Beirut Istanbul Cairo Jerusalem Helsinki 16 GMT 03 00 Baghdad Moscow Kuwait Nairobi 17 GMT 03 30 Tehran 18 GMT 04 00 Abu Dhabi Muscat 19 GMT 04 30 Kabul 20 GMT 05 00 Islamabad Karachi Tashkent 21 GMT 05 30 New Delhi KolKata Mumbai 22 GMT 05 45 Kathmandu 23 GMT 06 00 Dhaka Sri Jaya...

Страница 12: ...or Valid IP Address SNTP_server_2 SNTP 2 Server IP Address Default Value 0 0 0 0 Allowable Values 0 0 0 0 Disabled or Valid IP Address qos_precedence Quality of Service Precedence Values 0 7 sets a static TOS DSCP hex value according to the list below A value of 8 allows a valid custom hex setting to be entered Default Value 5 Allowable Range 0 DSCP 0x00 1 DSCP 0x08 2 DSCP 0x10 3 DSCP 0x18 4 DSCP ...

Страница 13: ...P proxy server to register with when sip_proxy_enable is enabled This parameter can be an IP address a hostname or FQDN Primary Proxy Index 0 Secondary Proxy Index 1 Default Value 0 0 0 0 Allowable String Length 79 sip_proxy_type The SIP Proxy device Type Default Value 0 Allowable Values 0 Cisco Proxy 1 Generic Proxy sip_session_expires_timer The SIP session refresh interval in milliseconds Defaul...

Страница 14: ...g through Outbound SIP Proxy Primary Proxy Index 0 Secondary Proxy Index 1 Default Value 0 Allowable Range 0 Disable 1 Enable outbound_sip_proxy Outbound SIP Proxy address This can be a valid IP address a hostname or FQDN Primary Proxy Index 0 Secondary Proxy Index 1 Default Value 0 0 0 0 Allowable String Length 79 outbound_proxy_port The default port with which to communicate to the Outbound SIP ...

Страница 15: ...dex 0 Secondary Proxy Index 1 Default Value None Allowable String Length 49 tls_ca_cert The TLS CS Certification Enter the location of the certification file or use the Browse button and navigate to the location Primary Proxy Index 0 Secondary Proxy Index 1 Default Value None Allowable String Length 49 dtmf_relay_enable The DTMF Relay Enable Default Value 1 Allowable Range 0 Disable 1 Enable In bo...

Страница 16: ...ghest g7231_63_priority The G 723 1 low rate audio codec Priority Default Value 245 Allowable Range 1 Lowest to 255 Highest g7231_53_priority The G 723 1 low rate audio codec Priority Default Value 240 Allowable Range 1 Lowest to 255 Highest vad_thresh The Audio Threshhold level for the system Default Value 20 Allowable Range 50 Lowest to 255 Highest adaptive_vad Enable or Disable the Adaptive cap...

Страница 17: ... entering digits for the DIGITMAP rule to take effect The MIN_DIGITS token defines the minimum number of digits which MUST be entered once that match rule has been invoked This number must be greater than or equal to the number of digits in the MATCH string The MAX_DIGITS token defines the maximum number of digits which MAY be entered after the match rule has been invoked The completion of the num...

Страница 18: ... IP address and press the CLEAR key Program mode is exited 4 Start Internet Explorer only the Internet Explorer Web browser release 6 0 or later with Java 1 5 or later installed works with the MAX IP phone 5 Enter the phone s IP address into the Internet Explorer address field and press the ENTER key on your computer s keyboard You can also enter the DNS name or the phone s name on the network in ...

Страница 19: ...re 2 5 displays all of the system information for your MAX IP phone The information fields are self explanatory however note that the last four digits of the MAC address are used as an identifier in the system name By default the system name is in the format of MAX1P followed by the last four digits of the MAC address The MAC address is a unique address in hexadecial format that can also be found ...

Страница 20: ...he IP address of the TFTP server can be provided by the DHCP server or you can enter it manually If the TFTP address is provided by the DHCP server then click the TFTP Address from DHCP radio button if the TFTP server is set manually then click the Use TFTP Server radio button and enter the IP address of the TFTP server Click the Apply button to activate the changes Phone Numbers To change or set ...

Страница 21: ...rol Click this checkbox to ON to enable AGC or uncheck it to disable AGC AGC adjusts softer and louder input audio to a consistent level Mute Incoming Ringer Click this checkbox to ON to mute the incoming ringer or uncheck it to allow the ringer to ring normally Incoming Ringer Melody Click the drop down box to select from the five available melodies Click the Play button to listen the selected me...

Страница 22: ...ly select the Load From File checkbox and enter the path and filename of the file to load All fields in the Manual Configuration section become inactive Alternatively select the Browse button and navigate to the file using the displayed Open file window When done click on the Upload button to store the Dial Plan file onto the unit Manual Configuration To manually setup a Dial Plan select the Manua...

Страница 23: ...e Configuration User Preferences screen on page 8 for more information on the time zone setting RTP RTCP QoS Quality of Service QoS is implemented on the MAX IP using DSCP Differentiated Service Code Point The DSCP is a selector for a router s per hop behaviors Each group of DSCPs or class has the same precedence value from 0 to 7 with the default precedence value for MAX IP being 5 Select the pre...

Страница 24: ...ation Protocol settings for your MAX IP phone SIP is a text based protocol that is based on HTTP and MIME which makes it suitable and very flexible for integrated voice data applications SIP relies on the Session Description Protocol SDP for ses sion description and the Real Time Protocol RTP for actual transport Figure 2 11 Configuration SIP Parameters Screen ...

Страница 25: ...port fields are active Enter the required IP address URL of the outbound proxy server and the number of the outbound proxy port When dis abled these fields are inactive SIP Transport Click the radio button next to the type of SIP transport you wish to use and the number of the listen port in the Listen port field for the specified transport UDP User Datagram Protocol is a protocol within the TCP I...

Страница 26: ...ONE no audio is sent and no silence packets are sent when silence is detected If VAD is enabled G 711 is the active codec and VAD Noise Matching is set to LEVEL single byte CNG packets are sent with the current noise volume level when silence is detected If VAD is enabled G 711 is the active codec and VAD Noise Matching is set to G711A2 CNG packets are format ted according to G 711 Appendix II sta...

Страница 27: ... Use the Configuration Trace Logging Settings screen Figure 2 13 to control logging for general audio processing and SIP subsystems as well as system logs and trace flags NOTE This screen is only used to diagnose problems you might be experiencing on your MAX IP phone Before enabling any of these logs please call Customer Service to receive instructions on which logs to enable Enable system log Cl...

Страница 28: ... the Remove button A confirmation message will be displayed Click on the Ok button to remove it from the list or the Cancel button to return to the Phone Book screen To clear all numbers from the list click the Clear All button A confirmation message will be displayed Click on the Ok or Cancel button to perform the required action New number A new number is easily assigned to the Phone List Enter ...

Страница 29: ...cking the Download button The log shows the last 8 KB of log data Click the Update button to get the most recent 8 KB of data Click the Clear button to clear the log NOTE This screen is only used to diagnose problems you might be experiencing on your MAX IP phone Please call Customer Service to receive instructions on how to interpret the logs shown here Figure 2 15 View Log Device Log File Screen...

Страница 30: ...vailable when the phone is in a call At such time a green check mark appears in the check box above the Check Phone State button Update Firmware You will receive the firmware update file ggsip_all for example and using the Web Portal interface only you will enter that name directly or browse to its location on your computer by using the Browse but ton then clicking the Update button The MAX IP pho...

Страница 31: ...mode 1 flashes on the LCD screen 6 Press the 0 key The new DHCP mode 0 flashes on the LCD screen 7 Press the REDIAL PROG key DHCP mode is disabled 8 Press the 2 key The current IP address such as 0 0 0 0 is displayed on the LCD screen 9 Press the REDIAL PROG key The current IP address flashes on the LCD screen 10 Press the CLEAR key The current IP address is deleted one character at a time 11 Usin...

Страница 32: ...D screen Figure 3 1 NOTE DHCP must be disabled in order to change the host IP address manually 2 Press 2 to enter the Host IP Address menu The current host IP address is displayed 3 Press REDIAL PROG The current host IP address flashes 4 Press and hold CLEAR to erase the current host IP address 5 Using the number keys enter the desired host IP address 6 Press REDIAL PROG to save the selection a co...

Страница 33: ...elody menu There are five available melodies 3 Press REDIAL PROG The current melody selection flashes 4 Press keys 1 5 to play the corresponding melody The selected melody plays once 5 Press REDIAL PROG to save the selection a confirmation tone plays 6 Press CLEAR to exit programming Enable Disable VLAN 1 Press and hold the REDIAL PROG key until the Program icon appears on the LCD screen Figure 3 ...

Страница 34: ...the LCD screen Figure 3 1 2 Press and hold the 9 key The number 8 repeats across the LCD screen 3 Press REDIAL PROG to save the selection a confirmation tone plays 4 Press CLEAR to exit programming The phone will reboot Rebooting the MAX IP Phone Rebooting the MAX IP phone is sometimes useful when making changes to the SIP settings or troubleshooting Most often however the phone will automatically...

Страница 35: ...perly set up or other equipment might be malfunctioning To begin check for the following or consult the chart in Figure 4 1 The MAX IP base unit is plugged into an electrical outlet with the proper voltage and its power light is on Make sure cables are securely connected The equipment the other party is using is comparable in quality to your MAX IP conferencing phone and is working properly While ...

Страница 36: ... Dial 3 23 tMVX_TUIU task suspended 168 Invalid Speed Dial 4 24 tMVX_ATPM task suspended 169 Invalid Speed Dial 5 25 tMVX_DEX task suspended 170 Invalid Speed Dial 6 26 tMVX_CMM task suspended 171 Invalid Speed Dial 7 27 tMVX_RVMU task suspended 172 Invalid Speed Dial 8 28 tMVX_RVCM task suspended 173 Invalid Speed Dial 9 29 TaskChecker task suspended 174 Invalid SIP Authorized User 30 Timer Mgr t...

Страница 37: ...n DIGITMAP line 204 Invalid or missing MAX_DIGITS in DIGITMAP line 205 Invalid or missing STRIP_FIRST_DIGITS in DIGITMAP line 206 Error creating Address 207 Invalid or missing DIAL_STRING in DIGITMAP line 208 Error creating Destination 209 Error creating Hunt Group 210 Error updating Dial Plan Database 211 Downloading the Dial Plan failed 212 Invalid Dial Plan Line 300 SIP registration failure ...

Страница 38: ...90 Power Base Unit Auto adjusting Power Module 100 240VAC 50 60 Hz Network 10 100 Ethernet RJ 45 Keypad Alphanumeric Standard Keypad Loudspeaker Volume 90 dB SPL A Weighted 1 meter Bandwidth 200Hz 3 3kHz Record Output Connector 2 5 mm Mono Audio Jack Impedance 1kΩ Bandwidth 200Hz 3 3kHz Dynamic Range 60dB THD 0 01 Echo Cancellation Tail Time 60 ms x 3 Noise Cancellation Dynamic Noise Cancellation ...

Страница 39: ...to the following two conditions 1 This device may not cause interference and 2 This device must accept any interference including interference that may cause undesired operation of the device Changes or modifications not expressly approved by ClearOne Communications could void the user s authority to oper ate the equipment European Compliance This equipment has been approved in accordance with Cou...

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