Name: Yealink SIP-T2
Brand: Yealink
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General Features

507

Topic

Cloud Configuration

The following table lists the parameters you can use to configure the Cloud.

Parameter

vcaccount.enable <y0000000000xx>.cfg

Description

It enables or disables the Cloud feature.

Permitted

Values

0-Disabled

1-Enabled

Default

Supported

Devices

CP920

Web UI

Features > General Information > Cloud Enable

Before You Begin2
Related Documentations2
Recommended References2
Summary of Changes2
Changes for Release V85, Guide Version V85.23
Table of Contents5
Getting Started24
Requirements24
Yealink IP Phones in a Network24
Initialization Process Overview25
Loading the ROM File25
Configuring the VLAN26
Querying the DHCP (Dynamic Host Configuration Protocol) Server26
Contacting the Provisioning Server26
Updating Firmware26
Downloading the Resource Files26
Verifying Startup26
Network Configurations27
Ipv4 and Ipv6 Wired Network Settings27
Wired Network IP Addressing Mode Configuration27
Ipv4 Wired Network Configuration28
Ipv6 Wired Network Configuration31
DHCP Option for Ipv435
Supported DHCP Option for Ipv435
DHCP Option 66, Option 43 and Custom Option35
DHCP Option 42, Option 2 and Option 10036
DHCP Option 1236
DHCP Option 12 Hostname Configuration36
DHCP Option 12037
DHCP Option 120 Configuration37
DHCP Option 6038
DHCP Option 60 Configuration38
DHCP Option for Ipv638
Supported DHCP Option for Ipv638
DHCP Option 59 and Custom Option39
Vlan39
LLDP Configuration39
CDP Configuration40
Manual VLAN Configuration41
DHCP VLAN Configuration43
VLAN Change Configuration44
Wi-Fi44
Wi-Fi Configuration44
Wireless Network IP Addressing Mode Configuration49
Ipv4 Wireless Network Configuration49
Ipv6 Wireless Network Configuration53
Real-Time Transport Protocol (RTP) Ports56
RTP Ports Configuration57
Network Address Translation (NAT)57
NAT Traversal Configuration57
Keep Alive Configuration60
Rport Configuration61
SIP Port and TLS Port Configuration61
Internet Port and PC Port62
Supported Transmission Methods62
Internet Port and PC Port Configuration62
Vpn64
Openvpn Related Files64
VPN Configuration65
Example: Using VPN Based on L2TP Prototol66
Exporting the Openvpn Configuration File from the Phone67
Importing the Openvpn Configuration File to Phone67
Quality of Service (Qos)67
Voice and SIP Qos Configuration67
802.1X Authentication68
802.1X Authentication Configuration68
TR-069 Device Management71
Supported RPC Methods71
TR-069 Configuration71
Phone Provisioning74
Boot Files, Configuration Files, and Resource Files74
Boot Files74
Common Boot File74
MAC-Oriented Boot File75
Boot File Attributes75
Customizing a Boot File76
Configuration Files76
Common CFG File77
MAC-Oriented CFG File78
MAC-Local CFG File78
Configuration File Customization78
Customizing a Configuration File78
Configuration File Attributes79
Resource Files79
Supported Resource Files79
Files Download Process80
Provisioning Methods81
Provisioning Methods Priority82
Web User Interface82
Accessing the Web User Interface82
Quick Login Configuration83
Web Server Type Configuration84
Navigating the Web User Interface85
Phone User Interface86
Central Provisioning86
Auto Provisioning Settings Configuration87
User-Triggered Provisioning Settings Configuration93
PIN Code Provisioning Settings Configuration94
Viewing Configurations Configured Via Different Provisioning Methods94
Setting up a Provisioning Server95
Supported Provisioning Protocols95
Provisioning Protocols Configuration95
Supported Provisioning Server Discovery Methods96
Zero Touch Provision Configuration96
Pnp Provision Configuration97
DHCP Provision Configuration97
Static Provision Configuration99
Configuring a Provisioning Server100
Keeping User's Personalized Settings after Auto Provisioning100
Keeping User's Personalized Settings Configuration101
Auto Provisioning Flowchart for Keep User's Personalized Configuration Settings101
Example: Keeping User's Personalized Settings102
Clearing User's Personalized Configuration Settings103
Example: Deploying Phones from the Provisioning Server103
Security Features106
User and Administrator Identification106
User and Administrator Identification Configuration106
User Access Level Configuration107
Auto Logout Time108
Auto Logout Time Configuration108
Phone Lock108
Operation Behaviors on Lock Phone109
Phone Lock Configuration109
Transport Layer Security (TLS)111
Supported Cipher Suites111
Supported Trusted and Server Certificates112
Supported Trusted Certificates113
TLS Configuration115
Secure Real-Time Transport Protocol (SRTP)117
SRTP Configuration118
Encrypting and Decrypting Files120
Configuration Files Encryption Tools120
Configuration Files Encryption and Decryption120
Contact Files Encryption and Decryption120
Encryption and Decryption Configuration121
Incoming Network Signaling Validation124
Incoming Network Signaling Validation Configuration124
USB Port Lock125
USB Port Lock Configuration125
Firmware Upgrade127
Firmware for each Phone Model Firmware Upgrade Configuration127
Using Handsets with T57W/T54W/T53W/T53 Phones129
Handset Backlight129
Handset Backlight Configuration129
Handset Keypad Light130
Handset Keypad Light Configuration130
Handset Wallpaper131
Handset Wallpaper Configuration131
Handset Screen Saver131
Handset Screen Saver Configuration131
Handset Name132
Handset Name Configuration132
Number Assignment132
Number Assignment Configuration133
End Call on Hook134
End Call on Hook Configuration134
Advisory Tones134
Advisory Tones Configuration135
Base PIN136
Base PIN Configuration136
DECT Intercom137
DECT Intercom Configuration137
Shared Directory138
Shared Directory Configuration138
Shared Contact File Customization139
Shared Contact File Elements and Attributes139
Customizing Shared Contact File139
Satellite Mode139
Satellite Mode Configuration140
Example: Configuring the Satellite Mode Feature141
Repeater Settings Parameters142
Handset Settings Parameters143
Custom Handset Related Configurations147
Handset Firmware Upgrade Configuration148
Audio Features150
Alert Tone150
Alert Tone Configuration150
Touch Tone152
Touch Tone Configuration152
Ring Tones152
Custom Ringtone Limit152
Ringtone Configuration153
Distinctive Ring Tones155
Supported Alert-Info Headers Format155
Alert-Info: Bellcore-Drn155
Alert-Info: Ringtone-N/Alert-Info: Ringtone-Ringn.wav155
Mymelodyringn.wav)157
Alert-Info: <URL158
Alert-Info: Info=Info Text;X-Line-ID=0159
Distinctive Ring Tones Configuration159
Ringer Device160
Ringer Device Configuration161
Audio Volume161
Ringer Volume Configuration161
Sending Volume Configuration162
Tones164
Supported Tones164
Tones Configuration165
Audio Codecs170
Supported Audio Codecs170
Audio Codecs Configuration172
Packetization Time (Ptime)175
Supported Ptime of Audio Codec175
Ptime Configuration176
Early Media176
Early Media Configuration177
Headset Prior177
Headset Prior Configuration177
Dual Headset178
Dual Headset Configuration178
Acoustic Clarity Technology179
Acoustic Echo Cancellation (AEC)179
AEC Configuration179
Noise Suppression179
Noise Suppression Configuration179
Background Noise Suppression (BNS)180
Automatic Gain Control (AGC)180
Voice Activity Detection (VAD)180
VAD Configuration180
Comfort Noise Generation (CNG)180
CNG Configuration180
Jitter Buffer181
Jitter Buffer Configuration181
Smart Noise Block183
Smart Noise Block Configuration183
Acoustic Shield183
Acoustic Shield Configuration183
Smart Noise Filtering184
Smart Noise Filtering Configuration184
Dtmf184
DTMF Keypad185
Transmitting DTMF Digit185
Transmitting DTMF Digit Configuration185
Suppress DTMF Display187
Suppress DTMF Display Configuration187
Transfer Via DTMF187
Transfer Via DTMF Configuration187
Local DTMF Tone188
Local DTMF Tone Configuration188
Voice Quality Monitoring (VQM)188
Rtcp-Xr189
RTCP-XR Configuration189
Vq-Rtcpxr189
Voice Quality Reports189
Voice Quality Reports Configuration190
VQ-RTCPXR Display191
VQ-RTCPXR Display Configuration192
Central Report Collector195
Central Report Collector Configuration195
Phone Customization196
Language196
Supported Languages196
Language Display Configuration197
Language for Phone Display Customization198
Customizing a Language Pack for Phone Display198
Custom Language for Phone Display Configuration199
Example: Setting a Custom Language for Phone Display199
Language for Web Display Customization200
Customizing a Language Pack for Web Display200
Customizing a Language Pack for Note Display201
Custom Language for Web and Note Display Configuration201
Contrast202
Contrast Configuration202
Wallpaper203
Wallpaper Configuration203
Wallpaper Customization205
Custom Wallpaper Picture Limit205
Custom Wallpaper Configuration205
Deleting a Custom Picture205
Adding a Wallpaper from a USB Flash Drive205
Example: Setting a Custom Picture as Wallpaper206
Transparency206
Transparency Configuration206
Screen Saver207
Screensaver Display Customization207
Screensaver File Elements and Attributes208
Customizing the Screen Saver File209
Custom Screensaver Picture Limit209
Screensaver Configuration209
Adding a Screensaver Picture from a USB Flash Drive212
Deleting a Screensaver Picture212
Backlight212
Supported Backlight Options213
Backlight and Time Configuration213
Label Length for Line Key Display215
Label Length Display Configuration216
Label Alignment for Line/Ext Key Display216
Label Alignment Display Configuration217
Page Switch Key217
Page Switch Key Configuration217
Page Tips218
Phone Page Tips218
Phone Page Tips Indicator218
Phone Page Tips Configuration219
Expansion Module Page Tips219
Expansion Module Page Tips Indicator219
Expansion Module Page Tips Configuration219
Time and Date220
Time Zone220
NTP Settings224
NTP Configuration224
DST Settings226
Auto DST File Attributes226
Customizing Auto DST File227
DST Configuration227
Time and Date Manually Configuration229
Time and Date Format Configuration230
Date Customization Rule231
Idle Clock Display232
Idle Clock Display Configuration232
Logo Customization232
Custom Logo Picture Limit233
Customizing a Logo Picture233
Custom Logo Configuration234
Example: Setting a Custom Logo Display235
Call Display235
Call Display Configuration236
Display Method on Dialing238
Display Method on Dialing Configuration239
Key as Send239
Key as Send Configuration239
Softkey Layout240
Softkey Layout File Customization240
Softkey Layout File Elements and Attributes240
Customizing Softkey Layout File241
Softkey Layout Configuration242
Example: Setting the Soft Keys Layout in Talking State243
Input Method244
Keypad Input Method File Customization244
Customizing the Keypad Input Method File244
Onscreen Keyboard Input Method File Customization245
Description of the Onscreen Keyboard Input Method Files245
Lang File Elements and Attributes246
Customizing a Lang File246
Ime File Elements and Attributes247
Customizing an Ime File248
Layout File Elements and Attributes248
Customizing a Layout File249
Input Method Configuration249
Example: Configuring the French Onscreen Keyboard Input Method251
Notification Popups252
Notification Popups Configuration252
Power LED Indicator253
Power LED Indicator Configuration253
Bluetooth256
Bluetooth Configuration256
Handset/Headset/Speakerphone Mode258
Handset/Headset/Speakerphone Mode Configuration258
DSS Keys259
Supported DSS Keys260
Supported Dsskey Types260
Line Keys261
Line Keys Configuration261
Example: Set a Park/Retrieve Key for FAC Call Park Mode265
Example: Set a Park/Retrieve Key for Transfer Call Park Mode266
Example: Setting a Line Key as Directed Pickup Key266
Example: Setting a Line Key as Group Pickup Key267
Example: Setting a Line Key as Forward Key267
Example: Setting a Line Key as BLF List Key268
Example: Setting a Line Key as Private Hold Key268
Example: Setting a Line Key as Multicast Paging Key268
Programmable Keys268
Supported Programmable Keys269
Programmable Keys Configuration269
Ext Keys272
Ext Keys Configuration273
Dsskey Lock Configuration275
Dsskey Page Reset Configuration276
Enhanced DSS Keys277
Guidelines for Configuring Enhanced DSS Keys277
Macro Action Strings277
EDK Configuration281
EDK List Configuration282
EDK User Input Prompt Configuration282
EDK Soft Keys Configuration284
Example: Configuring EDK List for a Line Key288
Example: Using EDK Macro Strings as the Contact Number288
Power Saving288
Power Saving Configuration289
Search Source List in Dialing291
Search Source File Customization292
Search Source File Attributes292
Customizing Search Source File293
Search Source List Configuration293
Recent Call Display in Dialing295
Recent Call in Dialing Configuration295
Icon Customization295
Custom Icons Configuration296
Warnings Display296
Warnings Display Configuration296
Out of Service297
Out of Service Configuration297
Account Settings298
Account Registration298
Supported Accounts298
SIP Accounts Registration Configuration298
PSTN Account Configuration302
Registration Settings Configuration303
Outbound Proxy in Dialog305
Outbound Proxy in Dialog Configuration305
Server Redundancy306
Behaviors When Working Server Connection Fails307
Registration Method of the Failover/Fallback Mode307
Fallback Server Redundancy Configuration307
Failover Server Redundancy Configuration308
SIP Server Name Resolution312
SIP Server Name Resolution Configuration312
Static DNS Cache313
Behave with a Configured DNS Server313
Static DNS Cache Configuration314
Logon Wizard317
Logon Wizard Configuration317
Multiple Line Keys Per Account319
Multiple Line Keys Per Account Configuration319
Auto Line Labels Rule Configuration321
Default Account322
Directory324
Local Directory324
Contact Avatars and Icons Picture Limit324
Preparing the Tar Formatted File324
Local Contact File Customization326
XML Conversion Table326
Local Contact File Elements and Attributes326
Customizing Local Contact File328
Local Contact Files and Resource Upload328
Example: Adding Contacts Using a Contact File330
Local Contacts Backup331
Favorite Contacts332
Favorites Configuration332
Google Contacts333
Google Contacts Configuration333
Signing in to the Google Contact Server334
Lightweight Directory Access Protocol (LDAP)334
LDAP Attributes334
Securely Storing the LDAP Credentials335
LDAP Configuration335
Remote Phone Book342
Remote Phone Book File Customization342
Remote Phone Book File Elements342
Customizing Remote Phone Book File343
Remote Phone Book Configuration343
Example: Configuring a Remote Phone Book345
Directory List for Directory/Dir Soft Key345
Directory List File Customization345
Directory List File Attributes346
Customizing Directory List File347
Directory List Configuration347
Example: Configuring a Directory List349
Directory Search Settings349
Directory Search Settings Configuration349
Number Matching Settings350
Number Matching Settings Configuration350
Example: Matching Contacts with the Caller's Phone Number Using the Regular Expression351
Call Log353
Call Log Display Call Log Configuration Call Logs Backup353
Call Features358
Dial Plan Defined by Four Patterns (Old Dial Plan Mechanism)358
Basic Regular Expression Syntax for Four Patterns359
Replace Rule File Customization359
Replace Rule File Attributes359
Customizing the Replace Rule File360
Dial Now File Customization360
Dial Now File Attributes360
Customizing the Dial Now File361
Replace Rule Configuration361
Dial Now Configuration362
Area Code Configuration363
Block out Configuration364
Example: Adding Replace Rules Using a Replace Rule File365
Dial Plan Defined by Digit Map (New Dial Plan Mechanism)365
Basic Regular Expression Syntax for Digit Map366
Digit Map for All Lines Configuration367
Digit Map for a Specific Line Configuration370
Emergency Dialplan and Enhanced 911373
Emergency Dialplan and Enhanced 911 Configuration374
Hotline Configuration378
Off Hook Hot Line Dialing379
Off Hook Hot Line Dialing Configuration379
Live Dialpad380
Live Dialpad Configuration380
Auto Redial380
Auto Redial Configuration380
Recall Configuration381
Speed Dial382
Speed Dial Key Configuration382
Password Dial382
Password Dial Configuration383
Call Timeout383
Call Timeout Configuration383
Anonymous Call384
Anonymous Call Configuration384
Call Number Filter385
Call Number Filter Configuration385
IP Address Call386
IP Address Call Configuration386
Ignoring Incoming Calls386
Ignoring Incoming Calls Configuration387
Off Hook Answering387
Off Hook Answering Configuration387
Auto Answer388
Auto Answer Configuration388
Anonymous Call Rejection391
Anonymous Call Rejection Configuration391
Call Waiting392
Call Waiting Configuration392
Do Not Disturb (DND)393
DND Settings Configuration394
DND Feature Configuration396
DND in Phone Mode Configuration396
DND in Custom Mode Configuration397
DND Synchronization for Server-Side Configuration398
Multiple Call Appearances399
Multiple Call Appearances Configuration399
Call Hold400
Call Hold Configuration401
Music on Hold (Moh) Configuration403
Call Mute403
Microphone Mute Configuration403
Keep Mute404
Keep Mute Configuration404
Mute Alert Tone404
Mute Alert Tone Configuration404
Call Forward405
Call Forward Settings Configuration405
Call Forward Feature Configuration407
Call Forward in Phone Mode Configuration407
Call Forward in Custom Mode Configuration411
Call Forward Synchronization for Server-Side Configuration415
Call Transfer417
Call Transfer Configuration417
Transfer Mode for Dsskey Configuration418
Conference419
Conference Type Configuration419
Local Conference Configuration419
Network Conference Configuration420
USB Recording421
USB Recording Configuration421
Multicast Paging422
Multicast Paging Group Configuration423
Multicast Listening Group Configuration424
Multicast Paging Settings424
Multicast Paging Settings Configuration425
Advanced Features428
Call Pickup428
Directed Call Pickup428
Directed Call Pickup Configuration428
Group Call Pickup430
Group Call Pickup Configuration430
Dialog Info Call Pickup431
Dialog Info Call Pickup Configuration432
Call Completion432
Call Completion Configuration435
Example: Using Call Completion435
Call Park and Retrieve435
Call Park and Retrieve Configuration435
Example: Setting Call Park and Retrieve in FAC Mode437
Example: Setting Call Park and Retrieve in Transfer Mode437
Automatic Call Distribution (ACD)438
ACD Key Configuration438
ACD Configuration438
Example: Setting ACD440
Busy Lamp Field440
BLF Key Configuration441
BLF List Configuration441
State Indicator of Remote Line443
BLF/BLF List Subscription444
BLF/BLF List Subscription Configuration445
Visual and Audio Alert for Monitor Lines447
Visual and Audio Alert for BLF Lines Configuration447
Example: Configuring Visual and Audio Alert for Monitor Lines449
LED Mode for BLF/BLF List Key450
Supported BLF LED Modes450
BLF LED Mode Configuration452
BLF/BLF List Key LED Status and Behavior Configuration452
Supported BLF/BLF List Key Behaviors452
BLF Key Led/Icon and Behavior for Idle State Configuration453
BLF Key Led/Icon and Behavior for Call-In State Configuration454
BLF Key Led/Icon and Behavior for Call-Out State Configuration455
BLF Key Led/Icon and Behavior for Talking State Configuration456
BLF Key Led/Icon and Behavior for Parked-Against State Configuration458
BLF Key Led/Icon and Behavior for Hold State Configuration459
BLF Key Led/Icon and Behavior for DND State Configuration460
BLF Key for Intercom Configuration460
Call Information Display Configuration461
Shared Line461
State Indicator of Shared Line461
Shared Call Appearance (SCA) Configuration462
SCA Configuration463
Bridge Lines Appearance (BLA)464
BLA Configuration464
Intercom465
Intercom Key Configuration466
State Monitor for Intercom Contact466
State Indicator of Intercom Contact466
State Monitor for Intercom Contact Configuration467
Outgoing Intercom Configuration467
Incoming Intercom Configuration468
CSTA Control469
CSTA Control Configuration470
Action URL470
Predefined Events List470
Variable Values List472
Action URL Configuration473
Action URI483
Supported HTTP/HTTPS GET Request484
Supported SIP Notify Message484
Variable Values List485
Action URI Configuration488
Example: Capturing the Current Screen of the Phone489
Example: Placing a Call Via Web User Interface490
Voice Mail491
MWI for Voice Mail Configuration491
Short Message Service (SMS)493
SMS Configuration493
XML Browser493
XML Browser Configuration494
Hot Desking496
Hot Desking Key Configuration496
Hot Desking Configuration496
Device Management498
Device Management Configuration498
General Features499
Line Identification Presentation499
CLIP and COLP Configuration499
Return Code for Refused Call501
Return Code for Refused Call Configuration501
Return Code for Unanswered Call501
Return Code for Unanswered Call Configuration501
Hide Feature Access Codes502
Hide Feature Access Codes Configuration502
Accept SIP Trust Server Only503
Accept SIP Trust Server Only Configuration503
100 Reliable Retransmission503
100 Reliable Retransmission Configuration504
SIP Session Timer504
SIP Session Timer Configuration504
Session Timer505
Session Timer Configuration506
Reboot in Talking506
Reboot in Talking Configuration507
Reserve # in User Name507
Reserve # in User Name Configuration507
Busy Tone Delay508
Busy Tone Delay Configuration508
CFG File Version Information508
CFG File Version Information Configuration508
Media Loopback509
Media Loopback Configuration509
Cloud510
Cloud Configuration511
Configuration Parameters512
Broadsoft Parameters512
Broadsoft Settings512
Broadsoft UC513
Broadsoft XSI516
Broadsoft ACD518
Broadsoft Centralized Call Recording522
Broadsoft Security Classification522
Broadsoft Hoteling522
Broadsoft Flexible Seating524
Broadsoft Call Decline525
Broadsoft Network Directory525
Broadsoft Visual Voice Mail530
Broadsoft SCA530
Broadsoft Call Park531
Broadsoft Emergency Call533
Broadsoft Call Waiting Sync533
Start2Start ACD Parameters533
Alcatel-Lucent Barge in Parameters535
Ethernet Interface MTU Parameters536
SIP Settings Parameters536
Call Settings Parameters540
Unify Parameters542
Troubleshooting Methods543
Exporting All the Diagnostic Files543
Log Files543
Local Logging543
Local Logging Configuration544
Exporting the Log Files to a Local PC546
Uploading Log to the USB Flash Drive547
Viewing the Log Files547
Syslog Logging548
Syslog Logging Configuration548
Viewing the Syslog Messages on Your Syslog Server551
Resetting Phone and Configuration551
Reset to Factory Configuration551
Resetting the IP Phone to Default Factory Settings552
Resetting the IP Phone to Custom Factory Settings552
Custom Factory Configuration552
Deleting the Custom Factory Settings Files553
Resetting a Configuration to Default Factory Setting553
Packets Capture553
Capturing the Packets Via Web User Interface554
Capturing the Packets in Enhanced Way554
Capturing the Packets in Normal Way554
Ethernet Software Capturing Configuration555
Span to PC Port Configuration555
Watch Dog555
Watch Dog Configuration556
Network Diagnostics556
Ping and Traceroute Diagnostics556
Network Reachability Detection Configuration557
Analyzing Configuration Files558
Exporting CFG Configuration Files from Phone558
Importing CFG Configuration Files to Phone559
Configuration Files Import URL Configuration559
Exporting bin Files from the Phone559
Importing bin Files from the Phone559
BIN Files Import URL Configuration559
Device Status560
Viewing Device Status560
Phone Reboot560
Rebooting the IP Phone Remotely560
Notify Reboot Configuration561
Rebooting the Device Via the Phone User Interface561
Rebooting the Device Via Web User Interface561
Troubleshooting Solutions562
IP Address Issues562
The Device Does Not Get an IP Address562
Solving the IP Conflict Problem562
The Specific Format in Configuring Ipv6 on Yealink Phones562
Time and Date Issues563
Display Time and Date Incorrectly563
Display Issues563
The Phone Screen Is Blank563
The Phone Displays "No Service563
Phone Book Issues563
Difference between a Remote Phone Book and a Local Phone Book563
Audio Issues563
Increasing or Decreasing the Volume563
Get Poor Sound Quality During a Call563
There Is no Sound When the Other Party Picks up the Call564
Play the Local Ringback Tone Instead of Media When Placing a Long-Distance Number Without Plus564
Wi-Fi and Bluetooth Issues564
The Wireless Signal Strength Is Low564
The Phone Cannot Connect to Bluetooth Devices All the Time564
The Bluetooth Headset Affects IP Phone's Voice Quality564
Firmware and Upgrading Issues564
Fail to Upgrade the Phone Firmware564
Verifying the Firmware Version565
The IP Phone Does Not Update the Configurations565
System Log Issues566
Fail to Export the System Log to a Provisioning Server (FTP/TFTP Server)566
Fail to Export the System Log to a Syslog Server566
Protocols and Ports Issues566
What Communication Protocols and Ports Do Yealink IP Phones Support566
Password Issues567
Restore the Administrator Password567
The Web Screen Displays "Default Password Is in Use. Please Change567
Logo Issues568
Why Does the IP Phone Use DOB Format Logo File Instead of Popular BMP, JPG and so on568
Power and Startup Issues568
Both Poe Cable and Power Adapter Is Connected to the Phone568
The Power LED Indicator Has no Lights568
The Phone Screen Is Black568
The IP Phone Always Displays the Yealink Logo568
Other Issues568
The Difference Among User Name, Register Name, and Display Name568
On Code and off Code568
The Difference between RFC 2543 Hold Enabled and Disabled569
The Difference between Shared Call Appearance (SCA) and Bridge Lines Appearance (BLA)569
Appendix570
RFC and Internet Draft Support570
Reading Icons572

Yealink SIP-T2 User Manual

Table of Contents

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Yealink SIP-T2 Specifications

Related product manuals

Brand	Yealink
Model	SIP-T2
Category	IP Phone
Language	English