Firmware V15 - Teams Phone Models T58A, T56A, T55A
If your phone model is listed above but your headset is not working it may be that you need to upgrade your firmware level to one of the numbers shown above. To find out what your phones firmware level is please follow the steps shown below.
Locate IP address
(Labeled as IPv4)
Type IP address into website browser
The Yealink navigation street will open up and will ask for a user name and password, if a user name and password has never been set type admin into both fields to open up the phone settings
In this screen the Firmware is clearly visible under status (eg of a firmware number is 126.96.36.199) number 3+4 is the firmware version so in this case it is 85
Once the firmware is updated make sure the phone is reset and then re-plug the headset back into the phone. If your headset is still not working after the Firmware upgrade please contact our support line at +1 888 448 5556 or you can email: firstname.lastname@example.org
If you are using an EHS35 cable to connect your Yealink WH6 series headset to your Yealink phone please see the below tutorial.