Yealink Desk Phone Functions

We have listed the most common function requests for Yealink phones here. If your specific phone model isn't listed, try following the instructions for a similar model. This approach often works successfully.

If the function you're looking for isn't listed here, Yealink provides excellent user manuals that are easily found via Google.

Yealink Desk Phone Functions
1. Setting up Busy Lamp Field (BLF) and/or Speed Dial Keys
Finding the IP address of the device
1.1 Setting up BLF
1.2 Setting up Speed Dial
2. Setting up Encrypted Calling
2.1 Yealink T4XU/T5XW
Finding the IP address of the device
2.2 Is my device encrypted?
2.3 I cannot set up my device with encryption
3. Do Not Disturb (DND)
4. Call Transfer
4.1 Blind Transfer
4.2 Transfer with Consultation
5. Setting up an Address Book
5.1 Contact List
5.2 External Phone Book Desk Phone
Finding the IP address of the device
5.3 FAQ about address book
6. Internal ringtone
Finding the IP address of the device
6.1 Adding ringtone for internal calls
6.2 Adding ringtone for a group
6.3 Adding your own ringtone
Parking a call
7. Firmware Update
8. Anonymous Calling
8.1 Enabling Anonymous Calling
8.2 Disabling Anonymous Calling
8.3 Anonymous Calling via your VoIP Account
9. Calling without Area Code
Finding the IP address of the device
10. Enabling or Disabling Missed Calls List
Finding the IP address of the device
11. Adjusting the Tone for Call Waiting
12. Changing the Internal Extension on a Yealink
12. 1 Update Internal Extension in Freedom
12.2 Change the Internal Extension on Your Yealink Phone
Finding the Device's IP Address
Related Pages

1. Setting up Busy Lamp Field (BLF) and/or Speed Dial Keys

Want to see if your colleague is available or reach them with just one button press? Use the BLF and/or Speed Dial options in your Yealink phone under the DSS Key tab.

Finding the IP address of the device

Press the OK button or

Go to the menu of the phone.
Select Status.

Go (on a computer that is in the same network as the phone) to the IP address of the phone in a web browser. Note! Use https://
Log in with the username admin and the password admin.

1.1 Setting up BLF

With a BLF (Busy Lamp Field), you can see which colleagues are on a call, and by setting it up, you can call them quickly.

Go to Freedom
Go to Admin
Click on VoIP account.
Next to the VoIP account, you'll see an Account ID.
Copy your colleague's Account ID.

Return to the Yealink Web Interface.

Go to Dsskey.
Go to Line Key2<.

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Note. In the Key table, use Line Key1 for your own VoIP account. To avoid confusion, do not use this for other applications.

Under Type, choose BLF.
Under Value, enter your colleague's VoIP account ID.
Under Label, enter your colleague's name.
For Line, select Line 1.
Leave Extension empty.
Click Confirm.

Repeat this process with all your colleagues.

Warm/Attended Transfer

By default, call transfer is set to cold transfer. If you want to speak with your colleague first, follow these steps as well.

Go to Features.
Choose Transfer.
For Transfer Mode via Dsskey choose: Attended Transfer.
Choose Blind transfer if you do not want to speak with your colleague first.

1.2 Setting up Speed Dial

To quickly call a colleague on an external number, use Speed Dial.

Go to Dsskey.
Go to Line Key2<.
Under Type choose Speed Dial.
Under Value enter the internal or external phone number.
Under Label enter your colleague's name.
Leave Extension empty.
Click on Confirm.

When you pick up the phone and are on the home screen, press and hold the number until it starts ringing. This may take about 5 to 6 seconds.

2. Setting up Encrypted Calling

By default, conversations between your device and Voys' telephony platform travel unencrypted over your network and the internet. By using encryption, your conversations are encrypted only between your phone and our platform.

Both the SIP packets and the audio itself (RTP) can be encrypted. This ensures that no one can listen to your conversation by intercepting the network packets. We use TLS for encrypting the SIP packets. The RTP audio is secured using SRTP.

This guide only describes how to set up encrypted calling. If you want to know how to set up a device regularly, click here

2.1 Yealink T4XU/T5XW

First we'll set up encrypted calling in Freedom

Log in to Freedom
Click on Admin in the menu bar.
Go to VoIP account.
Select the account you want to use for encrypted calling.
Select the tab Advanced SIP Settings.
Check the box next to Force Encryption.

You will now get a popup indicating that additional changes need to be made to your phone.
Click on Continue.
Click on Save at the bottom of the page.

Setting up encrypted calling on the device

Finding the IP address of the device

Press the OK button or

Go to the menu of the phone.
Select Status.

Go (on a computer that is in the same network as the phone) to the IP address of the phone in a web browser. Note! Use https://
Log in with the username admin and the password admin.

Go to the Account
Then click on Register
For Transport, select: TLS
For Server Host, enter: sip.encryptedsip.com
Change the port to 5061
Click on Confirm.

Go to the Account tab.
Then click on Advanced.
For Voice Encryption (SRTP), select: Compulsory
Click on Confirm.

You are now making encrypted calls between your phone and the platform.

2.2 Is my device encrypted?

Since August 2022, we have been trying to set up our devices with encryption by default whenever possible. We don't always do this when devices are being replaced by devices that are still in use until replacement. You can quickly check if your devices are encrypted using the following method.

Log in to Freedom.
Go to Admin.
Go to VoIP Account.
Go to the VoIP Account of the specific device. If there is a lock in the green circle, then it is encrypted. If this is not the case, then it is not encrypted.

2.3 I cannot set up my device with encryption

It might be because you're using an old firmware version. Read here how to update it.

3. Do Not Disturb (DND)

Sometimes you don't want to be disturbed by your phone. You can set your device to Do Not Disturb mode. This button can be found on the digital screen of your Yealink device.

4. Call Transfer

When you have a customer on the line and you want to transfer them to a colleague, you can do this in two ways: blind or with consultation. If you don't need to speak with your colleague first, use blind transfer; if you do want to talk to them first, use consultation transfer.

4.1 Blind Transfer

During the call, press the Transfer button below the screen or the Transfer key at the bottom left or right of the screen.
Enter the phone number and press the Transfer button again or put the handset back on the hook.
The call will now be transferred automatically.

4.2 Transfer with Consultation

During the call, press the Transfer.
Enter the phone number and press Send or #.
When the second person answers the call, you can have a conversation that the first person won't hear. When you put the handset on the phone, the call will be transferred.

5. Setting up an Address Book

There are multiple ways to set up an address book on a Yealink.

5.1 Contact List

The first option is creating a contact list in the device itself. You can do this as follows:

Press OK to access the main menu.
Go to Directory/List.
Press on Options.
Select New Contact.
Then fill in the details.
Press Save.

5.2 External Phone Book Desk Phone

Finding the IP address of the device

Press the OK button or

Go to the menu of the phone.
Select Status.

Go (on a computer that is in the same network as the phone) to the IP address of the phone in a web browser. Note! Use https://
Log in with the username admin and the password admin.

Go to the tab Directory.
Click on Local Directory.
Select the appropriate .CSV or .XML file.
Click on Import.
Click on Export if you want to download a file from your device.

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Note! This is the only way to retrieve your address list from your Yealink device. We do not store this information.

5.3 FAQ about address book

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How do I import an Excel file on my server?

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I no longer have my address list. Does Voys have it?

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How do I export my address list from Outlook to put in the Yealink?

6. Internal ringtone

Do you want to hear from the ringtone whether you are being called by a colleague or a customer? In this guide, you'll learn how to set an internal ringtone for your desk phone, so that an internal call gets a different ringtone than an external call.

First, you'll log in to the web interface of your Yealink device.

Finding the IP address of the device

Press the OK button or

Go to the menu of the phone.
Select Status.

Go (on a computer that is in the same network as the phone) to the IP address of the phone in a web browser. Note! Use https://
Log in with the username admin and the password admin.

6.1 Adding ringtone for internal calls

Go to Settings.
Click on Ring in the left menu bar.
For Internal Ringer File, choose which ringtone will be played.
Add the text: alert-internal. Read why this is necessary on this page.

6.2 Adding ringtone for a group

Go to Directory.
Go to Local directory.

For if you haven't created a group yet:

Click on the gear icon next to all contacts.
You now have a Group setting opened.
Enter the Group name or select an existing group.
For Ring tone, select which sound you want to play.
Click on add.

Change All contacts to the new group.

Add the right people by clicking on New contact.

Tip. You can also set a ringtone for a single contact. You can specify this when you create a contact or when you edit a contact.

6.3 Adding your own ringtone

Click on Settings.
Click on Preference.
Click on Custom Ring.
Add your own ringtone here.
Click on Confirm at the bottom of the page.

Parking a call

7. Firmware Update

To use all the features of your Yealink phone, it's important to use the latest firmware. On this page, we explain how to update the firmware of your Yealink device. The firmware used in this guide also allows you to use the phone with Dutch language settings.

Download the latest firmware.
This ZIP file contains all firmware files for Yealink phones, including Dutch settings. Unzip the file after downloading. You will need this extracted content later.

Finding the IP address of the device

Press the OK button or

Go to the menu of the phone.
Select Status.

Go (on a computer that is in the same network as the phone) to the IP address of the phone in a web browser. Note! Use https://
Log in with the username admin and the password admin.

Go to the Settings tab.
Click on Upgrade.
Click on Browse.
Go to the folder where you have unpacked the downloaded firmware file.
Select the firmware file from this folder that matches your device.

Tip: You can find the device type in the top left of the web interface next to the Yealink logo.

Click on Upload.

The update will start. Do not close the web interface and keep the device powered on until the home screen is displayed again. The device may automatically restart multiple times.

8. Anonymous Calling

8.1 Enabling Anonymous Calling

Pick up your device.
Press the Menu key.
Go to Features
Press 7 anonymous.
You can now make anonymous calls.

8.2 Disabling Anonymous Calling

Pick up your device.
Press the Menu key.
Go to Features
Press 7 anonymous.
You are no longer making anonymous calls.

8.3 Anonymous Calling via your VoIP Account

Log in to Freedom.
Go to Admin.
Go to Users.
Click on the user account that your Yealink device is linked to.
Go to outgoing calls.
For outgoing phone number, select suppress (anonymous).

Click on Save.

9. Calling without Area Code

Finding the IP address of the device

Press the OK button or

Go to the menu of the phone.
Select Status.

Go (on a computer that is in the same network as the phone) to the IP address of the phone in a web browser. Note! Use https://
Log in with the username admin and the password admin.

Go to Phone or Settings.
Kies voor Dial Plan.
Klik op Area Code.

Ga naar Code.
If the area code consists of 3 digits, enter '7' for Min and Max Length, and '6' for a 4-digit area code.
The Account field can be left blank.
Click on Confirm.
An area code is no longer needed.

10. Enabling or Disabling Missed Calls List

Finding the IP address of the device

Press the OK button or

Go to the menu of the phone.
Select Status.

Go (on a computer that is in the same network as the phone) to the IP address of the phone in a web browser. Note! Use https://
Log in with the username admin and the password admin.

Click on Contacts.
Go to Network Directory.
There you will find the Network Call Log.
Set this to Enabled or Disabled.
Press Confirm.

11. Adjusting the Tone for Call Waiting

When you receive a call waiting notification on your Yealink, you will hear a beep tone every 10 seconds by default. If you prefer this tone to repeat more frequently, you can configure this in the web interface. You can even adjust the pitch of the tones if desired.

This is adjusted in the configuration file.

Go to Settings in the web interface.
Then Configuration.

For Export CFG Configuration File, select Non-Static Settings from the dropdown menu.
Then click on Export.
Save the file and open it.
Modify the following:

Configures the tone for each condition.tonelist = element[,element] [,element]...

Where element = [!]Freq1[+Freq2][+Freq3][+Freq4]/Duration

Freq: the frequency of the tone (ranges from 200 to 7000 Hz). If it is set to 0 (0Hz), it means

the tone won't be played. A tone is comprised of at most four different frequencies.

Duration: the time duration (in milliseconds, ranges from 0 to 30000ms) of the ring tone.

You can configure at most eight different tones for one condition, and separate tones

by commas (e.g., 250/200, !0/1000, 200+300/500, 600+700+800+1000/2000). The exclamation point (!) can be added optionally, which means these tones are played only once.

Default value:

dial=350+440/30000

busy = 480+620/500,0/500

ring = 440+480/2000,0/4000

congestion = 480+620/250,0/250

callwaiting = 440/300,0/10000

dialrecall = !350+440/100,!0/100,!350+440/100,!0/100,!350+440/100,!0/100,350+440

record = 1400/500,0/15000

info = !950/330,!1400/330,!1800/330,0

stutter = !350+440/100,!0/100,!350+440/100,!0/100,!350+440/100,!0/100,!350+440/100,!0/100

Go to Settings in the web interface.
Then select Configuration.

Under Import CFG Configuration File, select Non-Static Settings from the dropdown menu.
Then click Import.
Save the file.
If everything went well, the settings will be applied after the phone restarts.

12. Changing the Internal Extension on a Yealink

If you’ve updated the internal extension of a VoIP account in freedom.voys.nl, the number shown on your phone’s display won't automatically update. That’s because the display name on your device is managed separately from the data in Freedom.

12. 1 Update Internal Extension in Freedom

Go to Freedom.
Navigate to Beheer (Management).
Click on VoIP Account.
Select the VoIP account for which you want to change the internal number (in this example: 201/Bet Weter).

Here you can change the internal extension, for example from 201 to 208.

Click Save.

The change to the internal extension is not yet reflected on your device.

To update this on your phone, you need to log in to the device’s web interface.

You can access the web interface by entering your phone’s IP address into your web browser.

Instructions for finding the IP address are provided for each device type below.

12.2 Change the Internal Extension on Your Yealink Phone

Finding the Device's IP Address

Press the OK button three times.
Enter the phone’s IP address into a web browser (on a computer connected to the same network).
Log in using admin as both the username and the password.

Go to Account.
Navigate to Handset Name.
Update the internal extension.
Click Confirm.

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