Navigation Keys
Use the navigation keys to navigate in the display menus and
confirm/cancel actions.
The audio device control keys can perform the following actions:
Adjust the volume of the handset, headset, speaker and ring
tone
Allows for hands-free communication during calls
Place and receive calls through an optionally
connected headset
Mute audio transmission locally during calls
Allow users to access the voicemail messages
Enable set-up of 3-way conference
Place a call on hold or resume it
Transfer the current call to a third party
Redial
Created By Dale Ellwood
3
Vox_Yealink_SIP-T28/38_User_V2