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Yealink Frequently Asked Questions

Connecting Businesses Across The World

For more than ten years, Yealink and Nology, have together established Yealink as the preferred IP phone brand for South African Service Providers, Operators and Resellers. We offer outstanding technical expertise and dedicated local support. Find answers to frequently asked questions below.

How do I install a VCH with my Yealink VC device?

The VCH can be installed with the VC800 and VC200 and it provides a connection between the video conferencing system and a computer. It comes with the VC800 and can be bought separately for the VC200. To setup the device it requires 3 cables. On the left side an Ethernet cable that will connect to the CP960, right-hand side’s Ethernet cable will connect to the VC800 and the HDMI cable will connect to the computer.

How do I register my device for a Yealink YMS account

First, download the Yealink video conference desktop software from the following link:
http://support.yealink.com/documentFront/forwardToDocumentDetailPage?documentId=88

Follow the steps below to register your device

  1. Select Yealink Meeting Server
  2. Enter Yealink Meeting Server account
  3. Enter Yealink Meeting Server account password
  4. Enter Yealink Meeting Server primary domain
  5. The Yealink Meeting Server domain name can be left empty if it supports IP resolution. If it cannot resolve, please enter the Yealink Meeting Server registration IP address.
Registering the VC device to the Yealink Meeting Server

Log in to the device’s web interface

Enter the account info then register.

  1. Choose Yealink Meeting Server
  2. Enter Yealink Meeting Server account
  3. Enter Yealink Meeting Server account password
  4. Enter Yealink Meeting Server YMS primary domain
  5. The Yealink Meeting Server domain name can be left empty if it supports IP resolution. If it cannot resolve, please enter the Yealink Meeting Server registration IP address.

Which room systems are the Yealink video conference endpoints compatible with?

The following tables show the compatibility with the room systems and infrastructures from other vendors.

Endpoints:
Brand Model
Polycom Polycom   RealPresence Desktop
Polycom RealPresence Mobile
Polycom Group 500
Polycom Group 310
Polycom Group 300
Polycom Debut
Polycom VSX7000
Polycom VSX5000
Polycom VSX3000
Polycom HDX8000
Polycom HDX7000
Polycom HDX6000
Polycom HDX5000
Polycom VVX1500
Polycom VVX600
Polycom viewstation 128
Lifesize Lifesize   Desktop
Lifesize Softphone
Lifesize ICON800
Lifesize ICON600
Lifesize ICON400
Lifesize ICON450
Lifesize Express220
Lifesize Team220
Cisco SX20
SX10
SX80
EX60
DX80
Tandberg 2500
Tandberg 880
C40
Jabber
HUAWEI TE10
TE20
TE30
TE40
TE50
Grandstream GVC3200
GVC3202
Avaya XT5000
XT4300
Sony PCS-1
PCS-G70
Infrastructure:
Cloud
Bluejeans
Lifesize
Starleaf
ZOOM
MCU
Polycom   RMX2000
Polycom RMX1800
Polycom RMX1500
Polycom RMX1000
Cisco MSE8000
Cisco   meeting server
Lifesieze   UVC
PEXIP
Mind
Avaya Scopia Elite 6140 
Avaya RADVision 6000
Surf MCU
Vidyo
CODIAN MCU
Trueconf
Vinteo
IP-PBX
Broadsoft
3CX
Asterisk
Yeastar
Elastix
Starface
Xorcom
Epygi

What is the Bandwidth Consumption of Yealink Video Conferencing Endpoints?

Yealink video conferencing endpoints VC200/VC500/VC800 support a range of bandwidth from 256 kbps to 6 Mbps. The minimum bandwidth requirement is 256 kbps to have a video conference in CIF resolution. The tables below list the bandwidth consumption for the protocols H.264HP and H.265.

Protocol Resolution Minimum video bandwidth consumption Minimum bandwidth consumption including audio (48 kbps) Recommended bandwidth
H.265 1080p60 1 Mbps 1 Mbps 1.3 Mbps
1080p30 512 kbps 560 kbps 768 Kbps
720p60 512 kbps 560 kbps 768 Kbps
720p30 256 kbps 304 kbps 384 Kbps
360p30 128 kbps 176 kbps 200 kbps

 

Protocol Resolution Minimum video bandwidth consumption Minimum bandwidth consumption including audio (48 kbps) Recommended bandwidth
H.264HP 1080p60 2 Mbps 2 Mbps 2.3 Mbps
1080p30 1 Mbps 1 Mbps 1.3 Mbps
720p60 1 Mbps 1 Mbps 1.3 Mbps
720p30 512 kbps 560 Kbps 768 Kbps
360p30 256 kbps 300 kbps 384 kbps

Will the Yealink B2K Skype adapter work with other software?

The Yealink B2K Skype adapter can only work with Skype. It will not work with other VOIP software, such as Yate or Google Voice.

How do I make a call using a remote computer, such as Skype?

Yealink IP phones can interact with web server applications by receiving and handling an HTTP or HTTPS GET request. When receiving a GET request, the IP phone will perform the specified action and respond with a 200OK message.

Ensure that the server or computer’s IP address in in the “allow IP list”.
Or you can enter “any” in “Action URI allow IP List”, which means you will allow any devices to control the phone.

To dial a number, the valid URL format is http(s):///servlet?key=number=xxx&outgoing_uri=y. XXX is the number you want to dial, and y is the SIP URL you dial from.
For example, http://10.3.20.10/servlet?key=number=1234&outgoing_uri=1006@10.2.1.48. It refers to account 1006 from 10.2.1.48 dial 1234 out.

What is the Jitter Buffer and how should I use it?

Jitter buffer is a shared data area where voice packets can be collected, stored, and sent to the
voice processor in even intervals. Yealink provides two options for the Jitter Buffer settings, either adaptive or fixed.

A fixed jitter buffer adds a fixed delay to voice packets. You can configure the delay time for the static jitter buffer.
An adaptive jitter buffer can adjust based on the delays in the network. The range of this delay time is configurable.

Maximum Delay and Minimum Delay

There are two parameters are used to limit the range of the delay. When receiving a RTP packet, it will be defined as an underflow event if the packet delay is smaller than minimum, and vice versa an overflow event if it is greater than maximum.
In both cases this will cause packet loss, and lead to audio loss.
The Max delay and Min delay are used only when the Jitter Buffer is configured to be “fixed”.
If the Jitter Buffer is configured as adaptive, it will adjust itself accordingly base on the network latency. It is recommended to use adaptive Jitter Buffer.

Can the phone lock be scheduled for certain times?

Can the phone lock be scheduled for certain times?

What does the flashing LED mean?

When the phone is idle and the LED flashes, it means there is a missed call or an unread voicemail.

When the phone is in the power saving mode the LED flashes to indicate that the phone is still operating but under the power-saving mode.

How do I disable the phone lock function?

The phone lock function needs to be disabled on the Skype for Business server. Please ask your network administrator to disable it.

  1. If you are using a Skype for Business online account, follow the below steps to disable phone lock:
    a. Use an administrator account to login the Skype for Business Server via the Windows PowerShell.
    b. Use the cmdlets “Get-CsUCPhoneConfiguration” to review the status of the PhoneLock features.

    c. If the value of the “EnaforcePhoneLockt” is True, use the cmdlets “Set-CsUCPhoneConfiguration -EnforcePhoneLock 0” turn it to False. Then the Phone Lock feature will always be disabled.

  2. If you are using a Skype for Business on-premise account, follow the below steps to disable phone lock:
    a. Log into the Lync/SfB on-premise server. Open Skype for Business Server Control Panel.
    b. Go to Clients->Device Configuration. Choose the account which you want to disable the Phone Lock feature. Cancel the Enforce device locking, shown as below:

    c. Then click Commit to save the change. Then the Phone Lock feature will always be disabled.

How do I change the Date and Time format on my online account?

The Date and Time format needs to be set on the Skype for Business server. Please ask your network administrator to change the format.
The following steps show how to change the date and time format on the server:

  1. Use the cmdlets “Get-CsIPPhonePolicy” to review the status of the Date Time Format features.
  2. If the value of the “DateTimeFormat” is 24, use the cmdlets “Set-CsIPPhonePolicy -DateTimeFormat 24” turn it to 12. Then the Date&Time Format feature will always in 12 hours.

How do I enable BToE on my Online account?

The BToE (Better Together over Ethernet) needs to be enabled on the Skype for Business server. Please ask your network administrator to enable this feature.
The following steps show how to enable BToE on the server:
Use the cmdlets “Get-CsIPPhonePolicy” to review the BToE status.

If the value of the “EnableBetterTogetherOverEthernet” is False, use the cmdlets “Set-CsIPPhonePolicy -EnableBetterTogetherOverEthernet $True” to turn it to true. Then the BToE feature will always be enabled.

How do I pull the Syslog, config.bin and Pcap trace for support?

For Desktop Phones:
  1. Login to the web interface of the device.
  2. Go to Settings → Configuration → change the syslog log level to 6 → Press Confirm.
  3. Under the Pcap Feature, press the Start button. Recreate the issue on the phone step by step.
  4. Press Stop → Export. Send the Pcap file, config.bin and System log to the support technician
For Yealink CP960:
  1. Login to the web interface of the device.
  2. Go to Settings → Configuration → press Start button in Export All Diagnostic Files. Recreate the issue on the phone step by step.
  3. Press Stop → Export.

How do I get a Skype for Business licence for my Yealink device?

It is suggested that customers to purchase the Yealink MS Teams Edition (Pre-installed Firmware and Licence)
For assistance with upgrading your device, please contact Support.

How do I import Skype for Business licence into my Yealink phone?

Log into web user interface.
Browse to the Import licence page: Security → Licence. From here you can upload the Skye For Business licence.

How do I ensure my MS account logs off when I switch off my PC?

If your PC is connected to the PC port on your Yealink phone, you can set the Yealink phone to auto log off when the PC is disconnected. In order to do this, set the following parameter on the phone:
network.802_1x.proxy_eap_logoff.enable=1
If this is set to 0, then the phone will do nothing when the PC switches off.

How do I upgrade my Yealink SIP or Skype for Business device to a MS Teams edition?

It is suggested that customers to purchase the Yealink MS Teams Edition (Pre-installed Firmware and Licence)
For assistance with upgrading your device, please contact Support.

How do I enable the DD10K DECT Dongle on my Yealink phone?

First, ensure that the phone’s firmware is current or up to date.
Insert the DD10K Dongle in to the USB port of the phone and reboot the phone.
Set the DECT base station to registration mode.
Once phone has booted up and is idle, press the Reg softkey to register phone to the base station and enter pairing password (default: 0000)

How do I apply Call Forward or DND applied individual SIP accounts?

It is possible to set call forward and Do Not Disturb (DND) to individual SIP accounts registered on the phone, rather than to all the phone as a whole.
In the web interface, browse to the Features tab, set the value for Forward and DND to Custom.
Now when a customer presses the DND button or sets Call Forward, they will be prompted to select which SIP account they want to apply it to.

How do upgrade the firmware on a Yealink Phone?

To upgrade firmware via web user interface:

  • Login the web interface of the phone.
  • Browse to Settings → Upgrade.
  • Click Browse and select the firmware from your local system.
  • Click Upgrade to upgrade the firmware. The browser pops up the dialog box “Firmware of the SIP Phone will be updated. It will take 5 minutes to complete. Please don’t power off!”
  • Click OK to confirm upgrade

Note: The firmware upgrade process can take a few minutes to complete. Please ensure that the device does not lose power during this process or you may cause damage to the phone.

Where do I find the latest firmware?

The latest firmware versions can be downloaded from the Yealink Website

  • Select the relevant Product Range → ​Phone Model.
  • Scroll down to Firmware & Release Notes and select the firmware version (Please note the latest firmware is located listed first and will be marked “New”)
  • Save the firmware to your desired location on your device.
  • Upgrade the firmware via the phone’s web interface. Detailed steps can be found here: How do upgrade the firmware on a Yealink Phone?

Which Yealink IP phones support Bluetooth and Wi-Fi Compatibility?

Model Wi-Fi Support Bluetooth Support
SIP-T19(P) E2 Not Supported Not Supported
SIP-T21(P) E2 Not Supported Not Supported
SIP-T23G Not Supported Not Supported
SIP-T27G Via Yealink Wi-Fi Dongle (WF40/WF50) Via Yealink Bluetooth Dongle (BT41)
SIP-T29G Via Yealink Wi-Fi Dongle (WF40/WF50) Via Yealink Bluetooth Dongle (BT41)
SIP-T40P Not Supported Not Supported
SIP-T40G Not Supported Not Supported
SIP-T41S Via Yealink Wi-Fi Dongle (WF40/WF50) Via Yealink Bluetooth Dongle (BT41)
SIP-T42S Via Yealink Wi-Fi Dongle (WF40/WF50) Via Yealink Bluetooth Dongle (BT41)
SIP-T46S Via Yealink Wi-Fi Dongle (WF40/WF50) Via Yealink Bluetooth Dongle (BT41)
SIP-T48S Via Yealink Wi-Fi Dongle (WF40/WF50) Via Yealink Bluetooth Dongle (BT41)
SIP-T53W Built-in Dual-band (2.4GHz and 5GHz) Built-in Bluetooth v4.2
SIP-T54W Built-in Dual-band (2.4GHz and 5GHz) Built-in Bluetooth v4.2
SIP-T55A Not Supported Via Yealink Bluetooth Dongle (BT41)
SIP-T56A Built-in Dual-band (2.4GHz and 5GHz) Built-in Bluetooth v4.2
SIP-T57W Built-in Dual-band (2.4GHz and 5GHz) Built-in Bluetooth v4.2
SIP-T58A Built-in Dual-band (2.4GHz and 5GHz) Built-in Bluetooth v4.2
VP59 Built-in Dual-band (2.4GHz and 5GHz) Built-in Bluetooth v4.2

What headsets are compatible with the Yealink phones?

Please refer to headset compatibility list.

Yealink Headset Compatability List

How do you increase the Auto Logout time for the web interface?

To configure the logout time, log in to the web interface and browse to Features → General Information.
The Auto-Logout Time can be set to between 1 and 1000 minutes.
Click Confirm to save the changes.

There is no audio from my wired headset

  1. Ensure that the headset has been connected correctly, as per the below image.
  2. Your Yealink IP phone can use one of three channels for audio/voice: handset, headset, or speaker phone. To use the headset, ensure that you press the “headset button” on the phone to active it. The screen will then show the headset icon in the top left corner.
  3. Ensure that the headset you are using is compatible with your Yealink IP phone.
    Please refer to headset compatibility list

Yealink Headset Compatibility List

What is the PoE power consumption for Yealink phones?

Yealink IP phones support the IEEE 802.3af standard for PoE devices and are compatible with any devices implementing this standard.

Model PoE Class (IEEE802.3af)
Standby(W) Max(W)
T19(P) E2     1.2   1.8    CLASS2
T21(P) E2     1.3    1.8    CLASS2
T23G     1.0    2.2    CLASS1
T27G     1.7    7.0    CLASS3
T29G     2.1    5.7    CLASS0
T40P     1.4    3.2    CLASS2
T40G     1.1    1.6    CLASS2
T41S     1.7    3.8    CLASS2
T42S     2.5    4.7    CLASS2
T46S     4.0    2.7    CLASS2
T48S     3.2    7.5    CLASS3
T53W     1.8     3.1    CLASS2
T54W     2.2     5.5    CLASS3
T56A     2.3     6.0    CLASS3
T58A     2.3     6.0    CLASS3
T58V     2.6     7.4    CLASS3

How do I increase the headset microphone volume?

You are able to adjust the microphone gain for headsets from the web interface.
Note: it is recommended that this change be made incrementally and with caution as it can affect the voice quality.
Open the web interface and browse to Features → Audio

In order for the changes to take place, the phone will reboot after the changes are “Confirmed”

How many simultaneous calls are supported on Yealink Phones?

The number of simultaneous calls is dependent on the model of phone:

Model Simultaneous Calls Supported
SIP-T19(P) E2 3 Incoming or 2 outgoing
SIP-T21(P) E2 50 simultaneous calls
SIP-T23G 50 simultaneous calls
SIP-T27G 50 simultaneous calls
SIP-T29G 50 simultaneous calls
SIP-T40P 50 simultaneous calls
SIP-T40G 50 simultaneous calls
SIP-T41S 50 simultaneous calls
SIP-T42S 50 simultaneous calls
SIP-T46S 50 simultaneous calls
SIP-T48S 50 simultaneous calls
SIP-T53W 50 simultaneous calls
SIP-T54W 50 simultaneous calls
SIP-T55A 50 simultaneous calls
SIP-T56A 50 simultaneous calls
SIP-T57W 50 simultaneous calls
SIP-T58A 50 simultaneous calls
W52P 4 simultaneous calls
W53P 8 simultaneous calls
W60P 8 simultaneous calls
W80

100 simultaneous calls in total

Up to 8 simultaneous calls per base station

CP920 50 simultaneous calls
CP930W 8 simultaneous calls
CP960 50 simultaneous calls

How many phone numbers can be displayed for one Remote Contact?

The number of phone numbers is dependent on the model of phone:

  • Yealink Desktop phones (e.g. T23G, T42S, T54W) do not have a limitation.
  • Yealink DECT Phones W60P and W53P will show a maximum of three number per contact.
  • Yealink DECT Phone W52P will show a maximum of two number per contact.

How do I set number keys as Speed Dial Keys?

We can take advantage of dial plan and set “number key+ send key” to make number keys work as speed dial keys. Configuration steps showing as below:
Go to Settings → Dial Plan → Replace Rule:

OR

Prefix: Enter the digit that you want to dial for the certain phone number
Replace: Enter the phone number that you want to dial out when press Prefix digit
Account: Enter the line or account that you wish to dial out from

Can I connect my door camera to my Yealink phone?

Unfortunately, Yealink phones are not compatible with doorbell systems and thus cannot be connected to your door camera.

The firmware version has not changed after I’ve performed an upgrade

After performing a manual firmware upgrade, the firmware version has not changed.

It may be that your device is running a custom firmware version, which restricts the upgrade to a standard firmware version.

Please contact your service provide to confirm. If your phone is running a standard firmware version, please contact support for assistance.

Do Yealink IP phone support IAX?

IAX (Inter-Asterisk eXchange) is an Asterisk proprietary protocol and as such Yealink does not support this protocol.

What are the power adapter specifications for Yealink phones?

Model Input Output
SIP-T19(P) E2 AC 100~240V DC 5V/1.2A
SIP-T21(P) E2 AC 100~240V DC 5V/1.2A
SIP-T23G AC 100~240V DC 5V/1.2A
SIP-T27G AC 100~240V DC 5V/1.2A
SIP-T29G AC 100~240V DC 5V/2A
SIP-T40P AC 100~240V DC 5V/1.2A
SIP-T40G AC 100~240V DC 5V/1.2A
SIP-T41S AC 100~240V DC 5V/1.2A
SIP-T42S AC 100~240V DC 5V/1.2A
SIP-T46S AC 100~240V DC 5V/2A
SIP-T48S AC 100~240V DC 5V/2A
SIP-T53W AC 100~240V DC 5V/1.2A
SIP-T54W AC 100~240V DC 5V/2A
SIP-T55A AC 100~240V DC 5V/1.2A
SIP-T56A AC 100~240V DC 5V/2A
SIP-T57W AC 100~240V DC 5V/2A
SIP-T58A AC 100~240V DC 5V/2A
VP59 AC 100~240V DC 12V/1A

What Opus Codec is supported by Yealink phones?What Opus Codec is supported by Yealink phones?

Yealink phones support VBR (Variable Bit Rate) and CBR (Constant Bit Rate) in the Opus codec, but do not support FEC (Forward Error Correction).

What does the flashing LED mean?

When the phone is idle and the LED flashes, it means there is a missed call or an unread voicemail.

When the phone is in the power saving mode the LED flashes to indicate that the phone is still operating but under the power-saving mode.

How do I export pcap data to Wireshark?

There may be some instances where you are unable to get the pcap data from the web interface or you may require additional information for troubleshooting. In these cases, you export the pcap information to Wireshark.
Please follow the steps below:

    1. Enable Span to PC feature under Network → Advanced section.

    2. Connect the PC port of the Yealink phone to your PC.
    3. On Wireshark, press Start. Then, repeat the steps on phone to reproduce the issue. All the pcap data will be recorded. Hit Stop to stop the trace after you have completed the test. Please ensure that Wireshark has record a complete process.
    4. Save the file and send to Yealink support.

How do I export syslogs to Syslog server?

There may be some instances where you are unable to get the syslog information from the web interface or you may require additional information for troubleshooting. In these cases, you are able to specify a dedicated Syslog server where the syslog files can be exported automatically.
It is assumed that the Syslog server has been set up to store the syslog information.
In the phone’s web interface browse to Settings → Configuration → Syslog section
Enable to Export Syslog to server → then enter the Syslog server address, e.g. 10.2.2.10
Click Confirm to save the settings.

How do I Reset a Yealink IP Phone to Factory Default settings?

Method 1: Via the web interface.
  1. Log in to the web interface
  2. Go to Settings → Upgrade page, select Reset to Factory Settings
  3. Press OK to continue, press Cancel to quit.

Note: The reset process can take a few minutes to complete. Please ensure that the device does not lose power during this process or you may cause damage to the phone.

Method 2: Via the phone menu.
  1. Press Menu Softkey.
  2. Go to Settings → Advanced, enter the phone password.
  3. Select Reset to Factory option. The LCD screen will show the following prompt: “Warning, Reset to Factory Setting”. Press OK to continue.
Method 3: Manual reset

Press and hold the “OK” button for about 5 seconds and the phone will automatically reset to factory default settings.

How many redundant SIP servers can be set for Yealink phones?

Yealink phones can support a maximum of 3 SIP servers for redundancy.

You are able to set SIP servers 1 and 2 via the web interface. SIP server 3 can only be set using auto-provisioning.

For assistance with configuring SIP server 3, please contact support.

The LEDs on the base station do not light up

There are three LED indicators on the base station, when all three LEDs are lit solidly, this means the base station is working correctly. If not all LEDs are lit, follow these diagnostic steps:
Connect a working power supply to base station, if the power LED does not light up it could be a hardware problem.
Connect a network cable to the base, it will flash.

There are three cases.

  1. If the network LED lights up solidly, it means that the base station has successfully connected to the network. You can register a handset to the base station, after which all LEDs should be lit solidly.
  2. If the network LED does not light up at all, try a hard reset of the base station.
  3. If the network LED flashes continually, it means that the base station cannot get an IP address.

Try connecting the network cable to another port on the switch, if the network LED continues to flash, try a hard reset.

If this does not resolve the issue, it may be a hardware issue.

Do the Yealink DECT handsets support Auto Answer?

The auto answer feature for Yealink DECT phones only works when the phone is placed in its charging cradle.
When auto answer feature is enabled, you can simply answer the incoming calls by lifting the handset from the charging cradle
To configure auto answer:

  1. Press OK to enter the main menu.
  2. Select Settings → Telephony → Auto Answer
  3. Press Change to check or uncheck the Auto Answer checkbox.

Why is there a click sounds when I am busy on a call?

When a DECT repeater is installed in the environment, the system produces a verification tone to confirm that the handset is operational in the extended range.
You can activate/deactivate the verification tone on the Repeater by following these steps:

  1. Switch off the repeater (disconnect the power adapter).
  2. Switch it on for 1 to 5 seconds and switch it off again.
  3. Switch it on again. The LED indicator on the repeater flashes slowly.
  4. Switch it off again.
  5. Switch it on again.

My handset is unable to receive a call.

Check the assignment rule under Account → Number Assignment.
Ensure that the extension has been assigned to the handset under the incoming call rule.

How do you set the DECT handset to Silent Mode?

Press and hold the “*” button to set the handset to silent mode.
To enable normal mode, press and hold the “*” button.

How do you access the web user interface on the Yealink DECT Base Stations?

Connect the base station to the network and power.
Register a handset to the base station.
Use the handset to locate the IP Address: Handset menu → Status → Base
Enter this IP address in your web browser.

What headsets are compatible with the Yealink DECT handsets?

The Yealink W52P handset uses a 2.5mm headset jack. However, this is a non-standard interface and requires special headsets. Please purchase 2.5mm headsets in the following standard (MONO/Dual MONO).

MONO

Dual MONO

The Yealink W53H and W56P handsets uses a 3.5mm headset jack and supports all CTIA Standard headsets.

Can I Use Handsets from Other Brands with Base from Yealink DECT?

All Yealink DECT products use the CAT-iq 2.0 standard. However, to enhance the feature set of the Yealink phone, there have been some modifications to the standard.

You may be able to register other handsets to the Yealink DECT base stations, but all of the features may not be available.

You may be able to register Yealink DECT handset to other base stations, but all of the features may not be available.

It is recommended that only Yealink handsets and Yealink base stations be used together to ensure optimal performance.

How do you upgrade W52H, W53H and W56H Handset Firmware?

During the upgrade process, it is advisable to place the handset in the charging cradle and closer (within 10 meters) to the base station.
While the handset is busy upgrading, you will not be able to use any of the features of the phone.

A firmware upgrade can take approximately 25 minutes. Do not cancel the upgrade or turn off the device during the process.

After completing the firmware upgrade and reboot, the handset should register automatically with the base station. If it does not register, please perform a manual re-registration.

Before upgrading W52H/W56H/W53H handset firmware, please ensure the following:
The handset must be registered on the base station and within the radio coverage of the base station.

There are no external calls in progress on the base station, this includes handsets that are not about to be upgraded.
The handset battery has at least 50% charge in order to finish the firmware upgrade.

Manual Upgrade

Go to the web GUI of the base station, click on Settings  Upgrade.
In the Select and Upgrade Handset Firmware block, click Browse to the handset firmware file on your PC.

Click Upgrade to trigger the update. A dialog box pops up to prompt “Handset Firmware of the SIP Phone will be updated. It will take 10 minutes to complete. Please don’t power off!”.

Click OK to confirm the upgrade.
The web user interface prompts “Handset Firmware updating. Please wait and do not power off. And the browser must not be closed or refreshed!”.

All handsets registered to the base station will perform the upgrade if they meet the conditions listed above. While upgrading the handset will display a progress bar with the status on the LCD screen. The handset will reboot, and the message key LED flashes red after completing the upgrade.

If a handset fails to upgrade successfully, the LCD screen will display “Upgrade fails, please upgrade again”. After a short while, the handset will attempt to perform the upgrade automatically.

How do you reset a Yealink handset to factory default setting?

Step1

Deregister handset from Base station:
Press “OK” button → Navigate to “Settings” → “Registration” → “De-reg.Handset” → Enter Pin “0000” to confirm Deregistration. After specifying your handset, press “Select” → the Message “De-Register” appears Press “Yes” to delete registration from base.

Step 2

Reset Handset Settings Press “OK” button → Navigate to “Settings” → “System Settings” → “Handset Reset” → Select “OK”. The Message “Reset Handset to default” appears, Press “Enter” and insert Pin code “0000”. Press “Yes” to confirm.

What is the call concurrency per base station?

The Yealink W52P can handle up to 4 simultaneous calls (including internal calls).
The Yealink W53P and W60P can handle up to 8 simultaneous calls (including internal calls).

How many repeaters can be registered per base station?

The Yealink RT30 can have a maximum of 6 repeaters connected per base, with a maximum of 2 repeaters cascaded.

How many handsets can be registered per base station?

The Yealink W52P can support up to 5 handsets.
The Yealink W53P and W60P can support up to 8 handsets.

How do you synchronise features between the BroadWorks platform and Yealink phones?

Ensure that you download the Broadsoft custom firmware which can be found here:
https://www.yealink.com/products_47.html

With the Broadsoft firmware installed, enable the XSI and feature sync option by setting the following auto provisioning parameters:
bw.feature_key_sync =1
bw.enable =1

Do Yealink IP phones support IAX?

IAX (Inter-Asterisk eXchange) is an Asterisk private protocol and as such in not supported by Yealink devices.

How do I enable Picture Caller-ID for colour screen phones?

In order to have a picture show when you receive a call from a specific number, you will need to load a photo on the server and add then ass a SIP Header to the invite packet, with the instruction to fetch the relevant photo from the web share.

The instruction should look like this:

SIPAddHeader:
Call-Info: <http://10.3.5.80:8080/image/girl2.png>;purpose=icon
Caller-Image: <http://10.3.15.56/TFTP/111.png>

The phone needs to be configured as follows:

account.X.picture_info_enable =1

What is the Call Concurrency on the Yealink Conference phones?

The Yealink CP920 and CP930W can handle a 5-way conference call.

The Yealink CP960 can handle a 50-way conference call.

What is the power supply specifications for the Yealink Conference phones?

The Yealink CP920 and CP930W come with an included PSU, AC 100~240V input, and DC 12V/1A output.

The Yealink CP960 does not include a PSU and should be powered by POE. It can make use of a PSU with the following specifications: AC 100~240V input and DC 12V/1A output.

Can a conference phone be used to play music?

Yes, you can connect your mobile phone to you conference phone via Bluetooth and enable the Media audio feature to allow music to be played through your conference phone.

Once you have connected your mobile phone via Bluetooth, follow these steps to enable the media audio feature:

For CP920 and CP930W:

Menu → Settings → Basic Settings → Bluetooth → Paired Bluetooth Devic →
Option → Detail → Channel Control → Media Audio.

For CP960:

Bluetooth → Bluetooth (On) → → Media audio.

How do you reset a Yealink IP Phone to factory default settings?

Method 1: Via web interface.
  1. Login in the web UI of the phone
  2. Go to Settings → Upgrade page, select Reset to Factory Settings
  3. Press OK to continue, press Cancel to quit.
Method 2: Via phone menu.
  1. Press Menu Softkey.
  2. Go to Settings → Advanced UI, enter the password to continue.
    Select Reset to Factory option.
  3. The LCD screen will prompt you with: “Warning, Reset to Factory Setting”. Press OK to continue.
Method 3: Hard reset on the device

Press and hold the “OK” button for about 20 seconds.

Note: The phone can take a few minutes to reset to factory default settings. Ensure that the device does not lose power during this time or it may cause damage to the phone’s software.

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