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Appendix 

163

 

Parameter 

Permitted 

Values 

Descriptions 

Web Setting Path 

to 6. 

Y ranges from 
1 to 2.) 

account.X.stat
ic_cache_pri 

(SIP-T28P/T48G
/T46G: X 
ranges from 1 
to 6. 

SIP-T26P/T22P/ 
T42G/T41P: X 
ranges from 1 
to 3. 

SIP-T21P/T20P: 
X ranges from 
1 to 2. 

SIP-T19P: X=1.) 

0 or 1 

It configures whether preferentially to 
use the DNS static cache for domain 
name resolution of the SIP server for 
account X. 

0-Use domain name server 
preferentially 

1-Use DNS static cache preferentially 

The default value is 0. 

 

account.X.dns
_cache_type 

(SIP-T28P/T48G
/T46G: X 
ranges from 1 
to 6. 

SIP-T26P/T22P/ 
T42G/T41P: X 
ranges from 1 
to 3. 

SIP-T21P/T20P: 
X ranges from 
1 to 2. 

SIP-T19P: X=1.) 

0, 1 or 2 

It configures the content that the DNS 
static cache records for account X. 

0-Do not use DNS static cache. 

1-Use DNS static cache, but do not 
record the additional records. 

2-Use DNS static cache and record the 
additional records. 

The default value is 1. 

 

account.X.dns
_cache_a.Y.na
me = 

(SIP-T28P/T48G
/T46G: X 

Domain 

name 

It configures the domain name of A 
record Y in the DNS static cache for 
account X. 

The default value is blank. 

It takes effect after a reboot. 

 

Summary of Contents for T19P

Page 1: ...Table of Contents i...

Page 2: ......

Page 3: ...ion 1 3 ix Introduction 1 Getting Started 3 Obtaining Configuration Information 3 Obtaining Configuration Files 3 Obtaining Phone Information 4 Managing Configuration Files 4 Editing Common CFG File 5...

Page 4: ...and Verifying Configurations 41 Downloading Configuration Files 41 Resolving and Updating Configurations 41 Verifying Configurations 42 Troubleshooting 45 Glossary 47 Appendix 49 Configuring an FTP S...

Page 5: ...Table of Contents v BLF LED Mode 228...

Page 6: ...Yealink IP Phones Auto provisioning Guide vi...

Page 7: ...ge 7 Customizing Resource Files on page 14 Description of Configuration Parameters in CFG Files on page 65 BLF LED Mode on page 228 This version is updated to incorporate SIP T46G SIP T42G and SIP T41...

Page 8: ...wing section Customizing an LCD Logo on page 16 Major updates have occurred to the following section Description of Configuration Parameters in CFG Files on page 65 The following sections are new for...

Page 9: ...this version Customizing a Wallpaper on page 17 Customizing a Replace Rule File on page 21 Customizing a Dial now File on page 22 Major updates have occurred to the following sections Customizing a Lo...

Page 10: ......

Page 11: ...his guide is to serve as a basic guidance for provisioning Yealink IP phones including Yealink SIP T28P Yealink SIP T26P Yealink SIP T22P Yealink SIP T21P Yealink SIP T20P Yealink SIP T19P Yealink SIP...

Page 12: ...Yealink IP Phones Auto provisioning Guide 2...

Page 13: ...riented CFG file is only effectual for the specific phone It uses the 12 digit MAC address of the phone as the file name For example if the MAC address of the phone is 0015651130F9 the MAC Oriented CF...

Page 14: ...ess The unique 12 digit serial number of the phone You can obtain it from the bar code on the back of the phone SIP Account Information This may include SIP credentials such as user name password and...

Page 15: ...nd must be placed in the first line This template file is applicable to SIP T28P T26P T22P T21P T20P T19P T48G T46G T42G T41P IP phones running firmware version 72 or later For more information on con...

Page 16: ...c_dns_enable network ipv6_static_dns_enable Only T41P T42G T46G T48G Models support this parameter network vlan pc_port_mode VLAN network vlan internet_port_enable network vlan internet_port_vid netwo...

Page 17: ...T19P Model network vpn_enable openvpn url LLDP network lldp enable network lldp packet_interval MAC Oriented CFG file contains configuration parameters which are expected to be updated per phone such...

Page 18: ...nes_Auto_Provisioning_Guide Account1 Basic Settings account 1 enable account 1 label account 1 display_name account 1 auth_name account 1 user_name account 1 password account 1 outbound_proxy_enable a...

Page 19: ...tbound_proxy_enable account 2 outbound_host account 2 outbound_port account 2 sip_listen_port account 2 transport Failback account 2 reregister_enable account 2 naptr_build account 2 fallback redundan...

Page 20: ...account 3 sip_listen_port account 3 transport Failback account 3 reregister_enable account 3 naptr_build account 3 fallback redundancy_type account 3 fallback timeout account 3 sip_server 1 address a...

Page 21: ...er_enable account 4 naptr_build account 4 fallback redundancy_type account 4 fallback timeout account 4 sip_server 1 address account 4 sip_server 1 port account 4 sip_server 1 expires account 4 sip_se...

Page 22: ...e account 5 naptr_build account 5 fallback redundancy_type account 5 fallback timeout account 5 sip_server 1 address account 5 sip_server 1 port account 5 sip_server 1 expires account 5 sip_server 1 r...

Page 23: ...aptr_build account 6 fallback redundancy_type account 6 fallback timeout account 6 sip_server 1 address account 6 sip_server 1 port account 6 sip_server 1 expires account 6 sip_server 1 retry_counts a...

Page 24: ...s information on how to customize resource files and specify the access URL for the resource files Yealink IP phones have built in system ring tones You can change the ring type or customize a ring to...

Page 25: ...Pack for SIP T28P T26P T22P T20P T42G T41P Associated Language Pack for SIP T21P T19P T48G T46G English lang English txt lang English txt Chinese_S lang Chinese_S txt Chinese_T lang Chinese_T txt Germ...

Page 26: ...e user interface Menu Basic Language Delete all custom languages gui_lang delete http localhost all Yealink IP phones allow you to customize the logo displayed on the LCD screen SIP T20P IP phones onl...

Page 27: ...phones 0 Disabled Except for SIP T28P IP phones 1 System logo 2 Custom logo phone_setting lcd_logo mode 2 To configure a text logo you need to configure the following parameter Enable or disable a te...

Page 28: ...ded local contacts Yealink IP phones support both xml and csv formats When editing the local contact template file learn the following Add groups between root_group and root_group At most 5 groups inc...

Page 29: ...s group 3 For each contact that you wish to add add the following string to the file Each starts on a separate line contact display_name office_number mobile_number other_number line ring group_id_nam...

Page 30: ...contact display_name Ada office_number 8800 mobile_number 1234 other_number 0000 line 0 ring group_id_name root_contact Configure the access URL of the local contact file local_contact data url For ex...

Page 31: ...ne s to apply replace rules is not applicable to SIP T19P IP phones At most 100 replace rules can be added to the IP phone For the basic expression syntax of the replace rule refer to Yealink phone sp...

Page 32: ...le Create dial now rules between DialNow and DialNow When specifying the desired line s for the dial now rule valid values are 0 and line ID The digit 0 stands for all lines Multiple line IDs are sepa...

Page 33: ...ml After setup place the directory template to the provisioning server and specify the access URL in the configuration files Directory is not applicable to SIP T20P IP phones When editing a directory...

Page 34: ...y 4 enable 0 root_favorite_set Search source list in dialing allows the IP phone to search for entries from the desired lists when the phone is in the dialing screen and then the user can select the d...

Page 35: ...mmend you do not edit this field priority specifies the priority of search results enable enables or disables the phone to search the directory list 3 Edit the values within double quotes 4 Place this...

Page 36: ...k the distributor for the firmware file upload it to the provisioning server and then specify the access URL in configuration files Configure the access URL of the firmware file firmware url For examp...

Page 37: ...emon online http www oldversion com 3Com Daemon html and TFTPD32 online http tftpd32 jounin net For more information on how to configure FTP and HTTP servers refer to Configuring an FTP server on page...

Page 38: ...emon exe to start the application A configuration page is shown as below 2 Select Configure TFTP Server Click the button to locate the TFTP root directory from your local system 3 Click the Confirm bu...

Page 39: ...option 66 option 43 Phone Flash The following sections detail the process of each way take the SIP T28P IP phone as an example Zero Touch allows you to configure the network parameters and provisioni...

Page 40: ...accept the change When Zero Touch is enabled there will be a configuration wizard during startup Press the OK soft key The network parameters are configurable via phone user interface Press the Next s...

Page 41: ...SUBSCRIBE message to obtain the provisioning server address during startup To use Plug and Play make sure this feature is enabled To configure PnP via web user interface 1 Click on Settings Auto Provi...

Page 42: ...on 66 and Option 43 The Option 66 is used to identify the TFTP server To obtain the provisioning server address by a custom DHCP option make sure the DHCP option is set properly The custom DHCP option...

Page 43: ...more information refer to Update Mode on page 35 6 Click Confirm to accept the change Yealink IP phones support obtaining the provisioning server address from the phone flash To obtain the provisionin...

Page 44: ...ser name and password of the provisioning server in the Server URL User Name and Password fields the user name and password are optional 3 Configure the desired update mode For more information refer...

Page 45: ...ge The phone performs the auto provisioning process when the phone is powered on To activate the Power On mode via a web user interface 1 Click on Settings Auto Provision When there is an active call...

Page 46: ...pt the change The phone performs the auto provisioning process at regular intervals You can configure the interval for the Repeatedly mode The default interval is 1440 minutes To activate the Repeated...

Page 47: ...ure what time of the day and which day of the week to trigger the phone to perform the auto provisioning process For example you can configure the phone to check and update new configuration between 2...

Page 48: ...in the Day of Week field 5 Click Confirm to accept the change You can use Auto Provision Now mode to manually trigger the phone to perform the auto provisioning process immediately To use the Auto Pr...

Page 49: ...usly The phone will perform the auto provisioning process when it is powered on and at a specified interval The phone will perform the auto provisioning process when receiving a SIP NOTIFY message whi...

Page 50: ...Yealink IP Phones Auto provisioning Guide 40 The following figure shows the message flow...

Page 51: ...e a reboot before taking effect for example network configurations the phone will reboot to make the configurations effective after the auto provisioning process is completed The phone calculates the...

Page 52: ...more information refer to Yealink phone specific user guide During the auto provisioning process you can monitor the downloading requests and response messages by a WinPcap tool The following shows s...

Page 53: ...Downloading and Verifying Configurations 43 Example 3 Yealink SIP T28P IP phone downloads configuration files from the HTTP server...

Page 54: ...Yealink IP Phones Auto provisioning Guide 44...

Page 55: ...that the access URL is correct Ensure that the requested files exist on the provisioning server Why does the phone display Network Unavailable Ensure that the Ethernet cable is plugged into the Inter...

Page 56: ...perties of the ring tone for the phone are correct Ensure that the network is available and the root directory is right for downloading Ensure that the ring tone file exists on the provisioning server...

Page 57: ...hosting server HTTP The Hypertext Transfer Protocol HTTP is an application protocol for distributed collaborative hypermedia information systems HTTP is the foundation of data communication for the W...

Page 58: ...Yealink IP Phones Auto provisioning Guide 48...

Page 59: ...epare a root directory 1 Create an FTP root directory on the local system 2 Place the configuration files to this root directory 3 Set the security permissions for the FTP directory folder You need to...

Page 60: ...e click the 3CDaemon exe to start the application 2 Click the FTP Server button on the left of the main page A configuration page is shown as below 3 Select Configure FTP Server 4 Click the button to...

Page 61: ...Save Profile button to save the settings and finish the configurations 10 Click the Confirm button to finish configuring the FTP server The server URL ftp username password IP Here IP means the IP add...

Page 62: ...Place configuration files to this root directory 3 Set the security permissions for the HTTP directory folder You need to define a user or group name and set the permissions read write and modify Sec...

Page 63: ...Appendix 53 The main configuration page is shown as below 2 Click Menu in the main page and select the IP address of the PC from IP address...

Page 64: ...ning Guide 54 The default HTTP port is 8080 You can also reset the HTTP port make sure there is no port conflict 3 Right click the icon on the left of the main page select Add folder from disk to add...

Page 65: ...fication For more information on installing and configuring an Apache HTTPS Server refer to the network resource This section provides instructions on how to configure a DHCP server for Windows using...

Page 66: ...s Auto provisioning Guide 56 2 Click the Login button the login password is blank to log in 3 You can then edit the existing DHCP server or you can right click localhost and select New Server to add a...

Page 67: ...onfigure the DHCP server name the DHCP IP range and the subnet mask 6 Click OK to accept the change 7 You can add a custom option via DHCP Turbo Select Option Types right click one of the options on t...

Page 68: ...anges from 128 to 254 and select the option type Yealink supports String and IP Address option types only Click the OK button to finish setting the option properties Click to save the change 9 Click N...

Page 69: ...dix 59 10 Scroll down and double click the custom option 128 11 Fill the provisioning server address in the input field 12 Click the OK button to finish setting a custom option 13 Click to save the ch...

Page 70: ...via DHCP Turbo The following shows the detailed processes 1 Click Named Policies Global right click the blank area on the right of the main page and then select New Option 2 Select TFTP Options from t...

Page 71: ...option 6 Click to save the change You also can add the option 43 The following shows the detailed processes 1 Click Named Policies Global right click the blank area on the right of the main page and t...

Page 72: ...Yealink IP Phones Auto provisioning Guide 62 4 Fill the provisioning server address in the input field 5 Click the OK button to finish setting a custom option 6 Click to save the change...

Page 73: ...o 1 Open the Cool Edit Pro application 2 Click File to open an audio file 3 Locate the ring tone file click Open the file is uploaded as follows A sample audio file loaded is shown as below 4 Select a...

Page 74: ...e recommend placing all files and the PictureExDemo application to the root directory of the PC 1 Double click the PictureExDemo exe 2 Click Add button to open a bmp or gif file You can repeat the sec...

Page 75: ...ess mode is configured as IPv4 or IPv4 IPv6 0 DHCP 1 PPPoE not applicable to SIP T42G T41P IP phones 2 Static IP Address The default value is 0 It takes effect after a reboot Network Basic IPv4 Config...

Page 76: ...a ry_dns IPv4 address It configures the primary IPv4 DNS server when the IP address mode is configured as IPv4 or IPv4 IPv6 and the Internet WAN port type for IPv4 is configured as Static IP Address T...

Page 77: ...e default value is 0 It takes effect after a reboot Network Basic IPv6 Config IPv6 Static DNS network ipv6_ prefix Integer from 0 to 128 It configures the IPv6 prefix when the IP address mode is confi...

Page 78: ...e is configured as IPv6 or IPv4 IPv6 and the Internet WAN port type for IPv6 is configured as Static IP Address The default value is blank It takes effect after a reboot Network Basic IPv6 Config Stat...

Page 79: ...port when the PC LAN port is configured as Router The default value is 255 255 255 0 It takes effect after a reboot Network PC Port PC Port Config As Router Subnet Mask network pc_p ort dhcp_serv er...

Page 80: ...Full duplex 100Mbps 3 Half duplex 10Mbps 4 Half duplex 100Mbps 5 Full duplex 1000Mbps only applicable to SIP T48G SIP T46G and SIP T42G IP phones The default value is 0 It takes effect after a reboot...

Page 81: ...f the PC LAN port 0 Disabled 1 Enabled The default value is 0 It takes effect after a reboot Network Advanced VLAN PC Port Active network vlan pc_port_vid Integer from 1 to 4094 It configures VLAN ID...

Page 82: ...rate them by commas The default value is 132 It takes effect after a reboot Network Advanced VLAN DHCP VLAN Option network dhcp _host_name String within 99 characters It configures the client host nam...

Page 83: ...ue is 80 It takes effect after a reboot Network Advanced Web Server HTTP Port 1 65535 network port h ttps Integer from 1 to 65535 It configures the HTTPS port for web server access The default value i...

Page 84: ...rk 802_1 x md5_passw ord String within 32 characters It configures the password for 802 1x authentication The default value is blank It takes effect after a reboot Network Advanced 802 1x MD5 Password...

Page 85: ...ult value is 60 It takes effect after a reboot Network Advanced LLDP Packet Interval 1 3600s network span_ to_pc_port 0 or 1 It enables or disables the phone to span data packets received in the WAN p...

Page 86: ...fault value is 1 syslog mode 0 or 1 It configures the phone to export log files to a syslog server or the local system 0 Local 1 Server The default value is 0 It takes effect after a reboot Settings C...

Page 87: ...obtain a provisioning server address after startup 0 Disabled 1 Enabled The default value is 1 Settings Auto Provision PNP Active auto_provision weekly enabl e 0 or 1 It enables or disables the phone...

Page 88: ...sion Time auto_provision weekly end_ti me Time from 00 00 to 23 59 It configures the end time of the day for the phone to check new configuration weekly The default value is 00 00 Note The old paramet...

Page 89: ...r name for authentication during auto provisioning The default value is blank Settings Auto Provision User Name auto_provision server passw ord String within 32 characters It configures the password f...

Page 90: ...s 0 autoprovision X name X ranges from 1 to 50 String within 64 characters It configures the name of the code for triggering auto provisioning The default value is blank It takes effect after a reboot...

Page 91: ...p use_23_as _pound 0 or 1 It enables or disables the phone to reserve the pound sign when dialing out 0 Disabled convert the pound sign into 23 1 Enabled The default value is 1 Features General Inform...

Page 92: ...for the phone to authenticate with the ACS The default value is blank Settings TR069 ACS Username managements erver passwor d not applicable to SIP T42G and SIP T41P IP phones String within 64 charac...

Page 93: ...P IP phones String within 128 characters It configures the user name for the phone to authenticate the connection requests The default value is blank Settings TR069 Connection Request Username managem...

Page 94: ...s the DSS key behavior during an active call when user presses the DSS key and the DSS key is configured as a speed dial transfer or BLF BLF list key 0 New Call 1 Attended Transfer 2 Blind Transfer Th...

Page 95: ...b adap tive 0 or 1 It configures the type of jitter buffer 0 Fixed 1 Adaptive The default value is 1 Settings Voice JITTER BUFFER Type voice jib min Integer from 0 to 400 It configures the minimum del...

Page 96: ...way Portugal Spain Switzerland Sweden Russia United States Chile Czech ETSI voice tone dia l String It customizes the dial tone when the parameter voice tone country is set to Custom tonelist element...

Page 97: ...is set to Custom The value format is Freq Duration For more information on the value format refer to the parameter voice tone dial The default value is blank Settings Tones Ring Back voice tone bus y...

Page 98: ...nk Settings Tones Dial Recall voice tone inf o String It customizes the info tone when the parameter voice tone country is set to Custom The value format is Freq Duration For more information on the v...

Page 99: ...figures the volume of ringer The default value is 8 voice handfre e spk_vol Integer from 1 to 15 It configures the receiving volume of speaker The default value is 8 It takes effect after a reboot onl...

Page 100: ...to SIP T28P SIP T26P SIP T22P and SIP T20P IP phones Integer from 1 to 53 It configures the sending volume of speaker The default value is 35 It takes effect after a reboot Features Audio Handfree Se...

Page 101: ...security cn_val idation 0 or 1 It enables or disables the phone to mandatorily validate the CommonName or SubjectAltName of the certificate received from the connecting server 0 Disabled 1 Enabled Th...

Page 102: ...efault value is blank Security Passwor d security var_e nable 0 or 1 It enables or disables the 3 level permissions admin user var 0 Disabled 1 Enabled The default value is 0 It takes effect after a r...

Page 103: ...e y_dialing url not applicable to SIP T20P IP phones URL within 511 characters It configures the access URL of the file for custom soft keys layout on the LCD screen when Dialing The default value is...

Page 104: ...Transfer 4 Hold 5 DND 7 Call Return 8 SMS 9 Directed Pickup 10 Call Park 11 DTMF 12 Voice Mail 13 Speed Dial 14 Intercom 15 Line 16 BLF 17 URL 18 Group Listening 20 Private Hold 22 XML Group 23 Group...

Page 105: ...X value X ranges from 1 to 10 only applicable to SIP T28P and SIP T26P IP phones String within 99 characters It configures the value of the memory key feature For example when the key feature is BLF...

Page 106: ...Second local group 3 Third local group 4 Fourth local group 5 Fifth local group When the key feature is configured as XML Group remote phone book valid values are 0 First XML group 1 Second XML group...

Page 107: ...ot applicable to SIP T20P SIP T48G SIP T42G and SIP T41P IP phones 9 Directed Pickup 10 Call Park 11 DTMF 12 Voice Mail 13 Speed Dial 14 Intercom 15 Line 16 BLF 17 URL only applicable to SIP T4X IP ph...

Page 108: ...T48G and SIP T46G IP phones 64 Buddies only applicable to SIP T48G and SIP T46G IP phones 65 My Status only applicable to SIP T48G and SIP T46G IP phones For SIP T2xP T19P IP phones The default value...

Page 109: ...4 the default value is 4 When X 5 the default value is 5 When X 6 the default value is 6 Line 3 is only applicable to SIP T28P SIP T26P SIP T22P and SIP T4X IP phones Lines 4 6 are only applicable to...

Page 110: ...String within 256 characters It configures the pickup code for BLF feature or conference ID followed by the sign for Meet Me conference feature It only applies to BLF and Meet Me conference features T...

Page 111: ...l group Local groups 6 48 are only applicable to SIP T4X IP phones When the key feature is configured as XML Group remote phone book valid values are 0 First XML group 1 Second XML group 2 Third XML g...

Page 112: ...P X 1 10 12 14 SIP T21P X 1 10 14 SIP T20P X 5 12 14 SIP T19P X 1 9 13 14 SIP T48G T46G X 1 10 12 14 SIP T42G T41P X 1 10 13 Integer It configures the key feature for the programmable key X Valid valu...

Page 113: ...ocal Group 46 Network Group 47 XML Directory not applicable to SIP T20P IP phones 50 Keypad Lock not applicable to SIP T48G IP phones 51 Switch Account Up only applicable to SIP T4X IP phones 52 Switc...

Page 114: ...G T46G X 1 10 12 14 SIP T42G T41P X 1 10 13 String within 99 characters It configures the value of the programmable key feature For example when configuring the key feature to be Speed Dial it is used...

Page 115: ...feature is configured as XML Group remote phone book valid values are 0 First XML group 1 Second XML group 2 Third XML group 3 Fourth XML group 4 Fifth XML group When the key feature is configured as...

Page 116: ...It configures the label displayed on the LCD screen for each soft key The default value is blank DSSKey Programmable Key Label programablek ey X pickup_v alue SIP T28 T26P X ranges from 1 to 14 SIP T2...

Page 117: ...ey feature of the expansion module X key Y Valid values are 0 NA 1 Conference 2 Forward 3 Transfer 4 Hold 5 DND 7 Call Return 8 SMS not applicable to SIP T48G IP phones 9 Directed Pickup 10 Call Park...

Page 118: ...8G and SIP T46G IP phones 63 UC Favorite only applicable to SIP T46G IP phones 64 Buddies only applicable to SIP T48G and SIP T46G IP phones 65 My Status only applicable to SIP T48G and SIP T46G IP ph...

Page 119: ...ranges from 1 to 3 Y ranges from 1 to 40 only applicable to SIP T28P SIP T26P SIP T48G and SIP T46G IP phones String within 99 characters It configures the value of the expansion module key feature T...

Page 120: ...SIP T26P SIP T48G and SIP T46G IP phones String within 99 characters It configures the label displayed on the LCD screen of the expansion module for each key The default value is blank DSSKey Ext Key...

Page 121: ...etwork Group valid values are 0 All contacts 1 Group 2 Enterprise 3 GroupCommon 4 EnterpriseCommon 5 Personal The default value is 0 phone_setting page_tip only applicable to SIP T46G SIP T42G and SIP...

Page 122: ...or 1 It enables or disables always forward feature 0 Disabled 1 Enabled The default value is 0 Features Forwar d DND Always Forward On Off forward alwa ys target String within 32 characters It config...

Page 123: ...swer Forward On Off forward no_a nswer target String within 32 characters It configures the target number the phone forwards incoming calls to after a period of ring time The default value is blank Fe...

Page 124: ...ACD ACD Auto Available acd auto_avai lable_timer not applicable to SIP T48G T46G Integer from 0 to 120 It configures the interval in seconds to automatically change the status of the ACD agent to avai...

Page 125: ...action_url unregistered http 192 168 0 20 help xml IP ip The default value is blank Note The old parameter action_url log_off is also applicable to IP phones Features Action URL Unregistered action_u...

Page 126: ...all action_url call _established URL within 511 characters It configures the action URL the phone sends when establishing a call Example action_url call_established http 192 168 0 20 help xml IP ip Th...

Page 127: ...92 168 0 20 help xml IP ip The default value is blank Features Action URL Close Always Forward action_url bus y_fwd_on URL within 511 characters It configures the action URL the phone sends when busy...

Page 128: ...ip The default value is blank Features Action URL Transfer Call action_url blin d_transfer_call URL within 511 characters It configures the action URL the phone sends when performing a blind transfer...

Page 129: ...action_url unmute http 192 168 0 20 help xml IP ip The default value is blank Features Action URL UnMute action_url miss ed_call URL within 511 characters It configures the action URL the phone sends...

Page 130: ...Action URL Forward Incoming Call action_url reje ct_incoming_c all URL within 511 characters It configures the action URL the phone sends when rejecting an incoming call Example action_url reject_inc...

Page 131: ...IP T21P and SIP T19P IP phones Settings Preferen ce Language lang gui English Chinese_S Chinese_T German French Turkish Italian Polish Spanish or Portuguese It configures the language of the phone use...

Page 132: ...name of the NTP server 2 The default value is cn pool ntp org Settings Time Date Secondary Server local_time inte rval Integer from 15 to 86400 It configures the update interval in seconds when using...

Page 133: ...Month Stop Hour of Day local_time dhc p_time 0 or 1 It enables or disables the phone to update time with the offset time obtained from the DHCP server It is only available to offset from GMT 0 0 Disa...

Page 134: ...d YY represents a two digit year which is not displayed on the LCD screen of SIP T20P IP phones hotdesking st artup_register _name_enabl e 0 or 1 It enables or disables the phone to provide input fiel...

Page 135: ...ng startup 0 Disabled 1 Enabled The default value is 0 hotdesking ds skey_register_ name_enable 0 or 1 It enables or disables the phone to provide input field of register name on the hot desking login...

Page 136: ...alert_i nfo X text X ranges from 1 to 10 String within 32 characters It configures the internal ringer text to the info texts contained in the Alert Info header Example distinctive_ring_tones alert_in...

Page 137: ...efault value is 0 Settings Auto Provision Zero Active zero_touch wa it_time Integer from 1 to 100 It configures the duration time in seconds of the phone displaying the zero sp touch configuration scr...

Page 138: ...the number prefixed with the area code The default value is 1 Settings Dial Plan Area Code Min Length 1 15 dialplan area _code max_le n Integer from 1 to 15 It configures the maximum length of the nu...

Page 139: ...X X ranges from 1 to 100 not applicable to SIP T19P IP phones Integer It configures lines applying the dial now rule 0 to 6 for SIP T28P T48G T46G 0 to 3 for SIP T26P T22P T42G T41P 0 to 2 for SIP T21...

Page 140: ...alue is blank Settings Dial Plan Replace Rule Account dialplan_repl ace_rule url URL within 511 characters It configures the access URL of the replace rule file The default value is blank remote_phone...

Page 141: ...ample ldap name_filter cn sn The default value is blank Directory LDAP LDAP Name Filter ldap number_f ilter not applicable to SIP T20P and SIP T19P IP phones String within 99 characters It configures...

Page 142: ...9 characters It configures the password for accessing the LDAP server The default value is blank Directory LDAP Password ldap max_hits not applicable to SIP T20P and SIP T19P IP phones Integer from 1...

Page 143: ...P version The default value is 3 Directory LDAP Protocol ldap call_in_lo okup not applicable to SIP T20P and SIP T19P IP phones 0 or 1 It enables or disables the phone to perform an LDAP search when r...

Page 144: ...Found 480 Temporarily not available 486 Busy here The default value is 486 Features General Information Return Code When Refuse features call_c ompletion_en able 0 or 1 It enables or disables call co...

Page 145: ...abled The default value is 0 Features Forward DND DND Emergency features dnd e mergency_aut horized_numb er String within 511 characters It configures the numbers the phone will receive incoming calls...

Page 146: ...Intercom features interc om mute 0 or 1 It enables or disables the phone to mute the speaker when answering an intercom call 0 Disabled 1 Enabled The default value is 0 Features Interco m Intercom Mu...

Page 147: ...mation Hotline Delay 0 10s features dtmf hide 0 or 1 It enables or disables the phone to suppress the display of DTMF digits 0 Disabled 1 Enabled The default value is 0 Features General Information Su...

Page 148: ...ature 0 Disabled 1 Enabled The default value is 0 Features General Information Dual Headset features play_ local_dtmf_ton e_enable 0 or 1 It enables or disables the phone to play a local DTMF tone 0 D...

Page 149: ...play_ hold_tone ena ble 0 or 1 It enables or disables the phone to play a warning tone when there is a call on hold 0 Disabled 1 Enabled The default value is 1 Features General Information Play Hold T...

Page 150: ...onfigures the prefix of the password dial number For example set the prefix to 12 and the length to 3 when you want to dial the number 123456 the entered number is displayed as 12 6 on the LCD screen...

Page 151: ...es the power indicator LED to flash when the phone receives an incoming call For SIP T2xP T19P IP phones 0 Disabled power indicator LED does not flash 1 Enabled power indicator LED fast flashes 300ms...

Page 152: ...ned by the value of the parameter phone_setting common_power_led_e nable Flash phone_setting mute_power_l ed_flash_ena ble 0 or 1 It enables or disables the power indicator LED to flash when a call is...

Page 153: ...the status of the power indicator LED is determined by the value of the parameter phone_setting common_power_led_e nable Features Power LED Hold Held Power Light On phone_setting talk_and_dial _power_...

Page 154: ...active call 0 Disabled 1 Enabled The default value is 1 Features General Information Allo w Mute features grou p_listen_in_tal king_enable 0 or 1 It enables or disables the phone to enter into the gro...

Page 155: ...irect_picku p_enable not applicable to SIP T20P IP phones 0 or 1 It enables or disables the phone to display the DPickup soft key when the phone is in the pre dialing screen 0 Disabled 1 Enabled The d...

Page 156: ...eral Information BLF LED Mode features blf_lis t_version 0 or 1 It enables or disables the phone to deal with the Version header in the BLF NOTIFY message sent by the server 0 Disabled 1 Enabled The d...

Page 157: ...icast IP address and port number for the phone Example multicast listen_address 1 ip_address 224 5 6 20 10008 The default value is blank Directory Multicast IP Listening Address multicast listen _addr...

Page 158: ...k lo ck_key_type only applicable to SIP T46G T42G and T41P IP phones 0 1 or 2 It configures the keypad lock type 0 All Keys 1 Function Keys 2 Menu Key The default value is 0 Features Phone Lock Keypad...

Page 159: ...T21P SIP 19P IP phones EXP39 connected to SIP T28P and SIP T26P IP phones and EXP40 connected to SIP T48G T46G IP phones Integer from 1 to 10 It configures the contrast of the LCD screen For SIP T21P...

Page 160: ...url not applicable to SIP T20P and SIP T48G T46G IP phones URL within 511 characters It configures the access URL of logo file The default value is blank Features General Information Upload Logo lcd_l...

Page 161: ...It configures the phone to go out or reduce intensity of the backlight on the LCD screen after a period of inactivity 0 Off 1 Low The default value is 1 Settings Preference Backlight Inactive Level p...

Page 162: ...ue is 0 Features General Information Logon Wizard phone_setting is_deal180 0 or 1 It enables or disables the phone to deal with the 180 SIP message received after the 183 SIP message 0 Disabled 1 Enab...

Page 163: ...In Dialing directory_setti ng url not applicable to SIP T20P IP phones URL within 511 characters It configures the access URL of the custom directory list file The default value is blank Directory Se...

Page 164: ...value is http localhost all The default value is blank server_certific ates url URL within 511 characters It configures the access URL of the custom server certificate file The default value is blank...

Page 165: ...ation files The default value is blank It takes effect after a reboot Settings Configuration Export or Import Configuration custom_mac_ cfg url URL within 511 characters It configures the access URL o...

Page 166: ...o 2 SIP T19P X 1 String within 99 characters It configures the label displayed on the LCD screen for account X The default value is blank Account Register Label account X dis play_name SIP T28P T48G T...

Page 167: ...G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 String within 32 characters It configures the register user name for account X The d...

Page 168: ...SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 or 1 It configures whether the phone needs to re register the acc...

Page 169: ...the registration mode for account X 0 Concurrent registration 1 Successive registration The default value is 0 account X fall back timeout SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T...

Page 170: ...also applicable to IP phones Account Register SIP Server Y Server Host account X sip_ server Y port SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P...

Page 171: ...e request when the SIP server Y is unavailable or there is no response from the SIP server Y for account X The default value is 3 Account Register SIP Server Y Server Retry Counts account X sip_ serve...

Page 172: ...m 1 to 2 SIP T19P X 1 Y ranges from 1 to 2 Integer 0 from 60 to 65535 It configures the timeout in seconds for the phone to retry to use the primary server after failing over to the current working se...

Page 173: ...ferentially The default value is 0 account X dns _cache_type SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 1 or...

Page 174: ...P T20P X ranges from 1 to 2 SIP T19P X 1 Y ranges from 1 to 2 IP address It configures the IP address that the domain name of A record Y maps to in the DNS static cache for account X The default value...

Page 175: ...ranges from 1 to 2 SIP T19P X 1 Y ranges from 1 to 2 Domain name It configures the domain name of SRV record Y in the DNS static cache for account X It takes effect after a reboot account X dns _cach...

Page 176: ...1 to 2 Integer from 0 to 65535 It configures the priority for the specific host entry in SRV record Y for account X Lower priority is more preferred The default value is 0 It takes effect after a rebo...

Page 177: ...The default value is 0 It takes effect after a reboot account X dns _cache_srv Y tt l SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from...

Page 178: ...to 2 S A U or P It configures the flag of NAPTR record Y in the DNS static cache for account X Always s for SIP which means to do an SRV lookup on whatever is in the replacement field S Do an SRV look...

Page 179: ...from 1 to 2 Integer from 0 to 65535 It configures the preference of NAPTR record Y for account X NAPTR record with lower preference is more preferred The default value is 0 It takes effect after a re...

Page 180: ...sport protocol available for SIP in NAPTR record Y for account X The default value is blank It takes effect after a reboot account X dns _cache_naptr Y ttl SIP T28P T48G T46G X ranges from 1 to 6 SIP...

Page 181: ...IP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 or 1 It enables or disables the phone to use the outbound proxy se...

Page 182: ...xy server for account X The default value is 5060 Account Register Outbound Proxy Server Port voice_mail nu mber X SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3...

Page 183: ...sables the phone to only accept the message from the trusted server for account X 0 Disabled 1 Enabled The default value is 0 account X ano nymous_call SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P...

Page 184: ...o 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 String within 32 characters It configures the code for activating the server side anonymous call feature for account X when the parameter account X...

Page 185: ...jection account X ano nymous_reject _oncode SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 String within 32 charac...

Page 186: ...T20P X ranges from 1 to 2 not applicable to SIP T19P IP phones 0 or 1 It enables or disables DND feature for account X when the DND mode is configured as Custom 0 Disabled 1 Enabled The default value...

Page 187: ...acters It configures the DND off code for account X when the DND mode is configured as Custom The default value is blank Features Forwar d DND DND Off Code account X alw ays_fwd enab le SIP T28P T48G...

Page 188: ...er the phone forwards all incoming calls to for account X when the call forward mode is configured as Custom The default value is blank Features Forwar d DND Always Forward Target account X bus y_fwd...

Page 189: ...Features Forwar d DND Busy Forward Target account X tim eout_fwd ena ble SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 not ap...

Page 190: ...to 3 SIP T21P T20P X ranges from 1 to 2 not applicable to SIP T19P IP phones Integer from 0 to 20 It configures ring times N to wait before forwarding incoming calls for account X when the call forwar...

Page 191: ...not applicable to SIP T19P IP phones String within 32 characters It configures the always forward on code for account X when the call forward mode is configured as Custom The default value is blank Fe...

Page 192: ...T19P IP phones String within 32 characters It configures the busy forward on code for account X when the call forward mode is configured as Custom The default value is blank Features Forwar d DND Bus...

Page 193: ...phones String within 32 characters It configures the no answer forward on code for account X when the call forward mode is configured as Custom The default value is blank Features Forwar d DND No Answ...

Page 194: ...ccount X sub scribe_mwi SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 or 1 It enables or disables the phone to...

Page 195: ...4 PAI RPID FROM 5 RPID FROM The default value is 0 Account Advanced Caller ID Source account X cid_ source_privac y SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3...

Page 196: ...42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 1 or 2 It configures the source callee identity for presentation for account X 0 PAI RPID 1 Dialed Digits 2 RFC4916 The...

Page 197: ...Expires 30 7200s account X ses sion_timer refr esher SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 or 1 It con...

Page 198: ...ncryption service for account X 0 Disabled 1 Optional 2 Compulsory The default value is 0 Account Advanced RTP Encryption SRTP account X pti me SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T4...

Page 199: ...s from 1 to 2 SIP T19P X 1 Integer from 60 to 7200 It configures the period in seconds of BLA subscription for account X The default value is 300 Account Advanced BLA Subscription Period account X reg...

Page 200: ...ed SIP Send Line account X dial oginfo_callpic kup SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 not applicable to SIP T19P IP...

Page 201: ...21P T20P X ranges from 1 to 2 SIP T19P X 1 String within 32 characters It configures the directed pickup code for account X The default value is blank Account Advanced Directed Call Pickup Code accoun...

Page 202: ...Disabled 1 Enabled The default value is 1 Account Basic Missed Call Log account X sub scribe_mwi_to _vm SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T2...

Page 203: ...SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 or 2 It configures the conference type for account X 0 Local Conference 2 Network Conference The default value is 0 Account Advanced Conference Type a...

Page 204: ...t X The default value is 1800 account X blf s ubscribe_even t SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 or...

Page 205: ...for account X The default value is blank Account Advanced Music Server URI account X dtm f type SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ra...

Page 206: ...1P T20P X ranges from 1 to 2 SIP T19P X 1 1 2 or 3 It configures the DTMF info type when the DTMF type is configured as SIP INFO AUTO or SIP INFO for account X 0 Disabled 1 DTMF Relay 2 DTMF 3 Telepho...

Page 207: ...om 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 Integer from 1024 to 65000 It configures the port of the STUN server for account X The default va...

Page 208: ...P T19P X 1 Integer from 15 to 2147483647 It configures the keep alive interval in seconds for account X The default value is 30 Account Advanced Keep Alive Interval Seconds account X nat rport SIP T28...

Page 209: ...2G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 Float from 2 40s It configures the session timer T2 in seconds for account X The default value is 4 Account Advanced SIP Se...

Page 210: ...e 0 or 1 It enables and disables the phone to map the keywords in the Alert Info header to the specified Bellcore ring tones 0 Disabled 1 Enabled The default value is 0 account X ring tone ring_type S...

Page 211: ...is only applicable to SIP T4X IP phones For SIP T28P T26P T22P T20P T4X IP phones When Y 1 the default value is PCMU When Y 2 the default value is PCMA When Y 3 the default value is G723_53 When Y 4...

Page 212: ...PCMU is enabled on the phone For SIP T28P T26P T22P T20P T4X IP phones When Y 1 the default value is 1 When Y 2 the default value is 1 When Y 3 the default value is 0 When Y 4 the default value is 0 W...

Page 213: ...lt value is 0 When Y 4 the default value is 0 When Y 5 the default value is 3 When Y 6 the default value is 4 When Y 7 the default value is 0 When Y 8 the default value is 0 When Y 9 the default value...

Page 214: ...0 the default value is 102 When Y 11 the default value is 105 When Y 12 the default value is 97 only applicable to SIP T4X IP phones For SIP T21P T19P IP phones When Y 1 the default value is 0 When Y...

Page 215: ...to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 or 1 It enables or disables the phone to support compact SIP header for account X 0 Disabled 1 Enab...

Page 216: ...X acd available SIP T28P X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 not applicable to SIP T48G T46G 0 or 1 It enables or disables...

Page 217: ...Appendix 207 Parameter Permitted Values Descriptions Web Setting Path to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 not applicable to SIP T48G T46G...

Page 218: ...isabled 1 Enabled The default value is 1 It takes effect after a reboot features uc_us ername only applicable to SIP T48G T46G IP phones String within 99 characters Configures the user name for UC aut...

Page 219: ...of the Xtended Services Platform server for account X Example account 1 xsi host xsp1 iop1 broadworks net The default value is blank Directory Network Directory Host Server account X xsi port X 1 Inte...

Page 220: ...ithin 99 characters It configures the display name on the LCD screen for the group directory The default value is Group Directory Network Directory Group bw_phoneboo k enterprise_e nable not applicabl...

Page 221: ...e is 1 Directory Network Directory Enterpri se Common bw_phoneboo k enterprise_c ommon_displ ayname not applicable to SIP T20P IP phones String within 99 characters It configures the display name on t...

Page 222: ..._log_ena ble not applicable to SIP T20P IP phones 0 or 1 It enables or disables BroadSoft call log feature 0 Disabled 1 Enabled The default value is 0 call_park ena ble not applicable to SIP T20P IP p...

Page 223: ...Disabled 1 Enabled The default value is 0 Features General Information Feature Key Synchronization account X blf blf_list_uri SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges f...

Page 224: ...not applicable to SIP T19P IP phones String within 32 characters It configures the feature access code for directed call pickup with barge in default 33 for account X The default value is blank Accou...

Page 225: ...SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 or 1 It enables or disables Broadsoft SCA feature for account X 0 Disabled 1 Broadsoft SCA The default value is 0 Account Advanced Share d Line accoun...

Page 226: ...SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 Y ranges from 1 to 100 Integer from 1 to 2147483647 It configures the unavailable code which must match one of the codes configured on BroadWorks for ac...

Page 227: ...m 1 to 2 SIP T19P X 1 0 or 1 It enables or disables call center call information feature for account X 0 Disabled 1 Enabled The default value is 0 account X call _center show_ call_info_time SIP T28P...

Page 228: ...48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 Y ranges from 1 to 100 Integer from 1 to 2147483647 It configures the disposi...

Page 229: ...X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 0 or 1 It enables or disables customer originated trace feature for account X 0 Disabled 1 Enabled The default value is 0 account X...

Page 230: ...figures the supervisor number for account X The value Y must be continuous The default value is blank account X sup ervisor_info_c ode_name Y SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G...

Page 231: ...9P X 1 0 or 1 It enables or disables the power indicator LED to flash when the ACD call queue has reached the maximum number of calls for account X 0 Disabled power indicator LED does not flash 1 Enab...

Page 232: ...isables the phone to save login credentials automatically when logging into the guest profile for account X 0 Disabled 1 Enabled The default value is 0 account X hot eling user_id SIP T28P T48G T46G X...

Page 233: ...r Permitted Values Descriptions Web Setting Path d SIP T28P T48G T46G X ranges from 1 to 6 SIP T26P T22P T42G T41P X ranges from 1 to 3 SIP T21P T20P X ranges from 1 to 2 SIP T19P X 1 characters The d...

Page 234: ...unts acd bw bw calllog_and_dir bw_phonebook server_search_enable directory incoming_call_match_enable features action_uri_reboot_now features auto_release_bla_line features dsskey_blind_tran features...

Page 235: ...ty 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 Sa...

Page 236: ...g Luxembourg 01 00 Macedonia Skopje 01 00 Netherlands Amsterdam 01 00 Namibia Windhoek 02 00 Estonia Tallinn 02 00 Finland Helsinki 02 00 Gaza Strip Gaza 02 00 Greece Athens 02 00 Israel Tel Aviv 02 0...

Page 237: ...snoyarsk 07 00 Thailand Bangkok 08 00 China Beijing 08 00 Singapore Singapore 08 00 Australia Perth 09 00 Korea Seoul 09 00 Japan Tokyo 09 30 Australia Adelaide 09 30 Australia Darwin 10 00 Australia...

Page 238: ...monitored user s conversation is placed on hold Slow flashing green 1s The call is parked against the monitored user s phone number Off The monitored user does not exist Memory key Expansion Module ke...

Page 239: ...nd BLF LED Mode is set to 2 LED Status Description Fast flashing green 200ms The monitored user receives an incoming call Slow flashing green 500ms The monitored user is dialing The monitored user is...

Page 240: ...parked against the monitored user s phone number Off The monitored user is idle The monitored user does not exist Memory key Expansion Module key LED configured as a BLF BLF list key and BLF LED Mode...

Page 241: ...Appendix 231 We are striving to improve our documentation quality and we appreciate your feedback Email your opinions and comments to DocsFeedback yealink com...

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