Yealink SIP-T46U - Wiki

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Yealink SIP-T46U

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Yealink SIP-T46U Ultra-elegant Gigabit IP Phone

The SIP-T46U IP phone is an ultimate communication tool that has the better overall performance. The phone employs an appealing high-resolution TFT color display that looks brighter and more vibrant. United Yealink Optima HD Voice technology and wideband codec of Opus, the T46U awards you the superb audio quality and crystal-clear voice communications. Moreover, the T46U puts dual USB ports in a phone that makes Bluetooth, Wi-Fi, USB headset and USB recording come true, and you can use any two of them freely according to your needs.


Setting up a Yealink SIP-T46U with


  • If you want to use the BLF feature, you will need to contact support and request that they activate it for the server that you are using.
  • If you are going to be using an incoming DID number, you must ensure it's setup in the DID's settings to forward to the server you are going to be connecting to.
  • These instructions setup encrypted SIP traffic. You will want to ensure that this is activated in your sub-account advanced settings.

What you need to get started

To get started, you will need the following:

  • A Yealink T46U IP Phone
  • Valid login credentials for a account or sub account
  • The server you want to use (Per instance here)

You will also need to know the IP address if your phone. The phone by default will pull an IP address via DHCP. To check the IP address of your phone you:

  1. Press the center button where the arrows
  2. Find the IP address of the phone received in the section IPv4

Connecting to the phone

Connect to the phone via browser of your choice. If this is the first time you have logged into the phone, you will be prompted to update the password. The default username/password are both admin.

Note: The default admin password will be on the sticker below the IP Phone.

Yealink T46U 001 Login.png

After the login, the system will ask you to change the default password.

Updating Phone Settings

The following are the settings that need to be updated.

Account Register

Go to Accounts -> Register -> Account 1

These are the settings changed from their default values:

  • Account - Choose the account you would like to setup
  • Line Active - Switch the toggle to [ON]
  • Label - Name that will be displayed for the account on the phone's screen
  • Display Name - Caller ID Display Name (See the requirements below) (Enter it here, but it will likely be overwritten by settings in your account)
  • Register Name - Username from your Sub Accounts
  • Username - Username from your Sub Accounts (same as Register Name)
  • Password - Password from your Sub Accounts
IMPORTANT for Name/Display Name field (Outbound callerID Name):
  - We suggest entering your outbound Caller ID Name must be in capital letters. This will appears more clearly/visible on some devices.
  - You must NOT use any special characters, they will not be displayed. 
  - Enter a max of 15 characters. Some of regular Canadian providers will not show more than 15 characters max. We suggest shrinking or adapt your caller ID. 
  - Spaces are allowed in a caller id name.

SIP Server 1

  • Server Host - Network address of the SIP server you will connect to. (Eg:
  • Transport - Choose your preferred transport. By default: UDP (You can choose TCP or TLS if you need SIP encryption)
  • Server Expires - 120 secondes

Yealink T46U Account Register.png

Account Advanced

Go to Accounts -> Advanced -> Account 1

These are the settings changed from their default values:

  • Voice Mail - Set to "*97") (Star 97)
  • Directed Call Pickup Code - Set to "*8") (Star 8)
  • RTP Encryption (SRTP) - Only if you are using TLS in the tranpsort (Account Register) to use SIP encryption. Set it to "Compulsory")

Yealink T46U Account Advanced.png

Account Codec

Go to Accounts -> Codec -> Account 1

Remove all codecs and only enable the High Audio Quality codec g722 and leave the standard PCMU. With the arrow, place the "g722" codec in priority (at the top).

  • Don't forget, if you would like to use the high quality audio codec, you will need to enable it in your VoIPms sub-account under "Advanced settings". Both codec needs to be selected g722 and g711 and G729 unchecked.

Yealink T46U Account Codec.png
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