Taken from Yealink Easy VoIP Gigabit Color IP Phone SIP-T29G User Guide Version 80.20 Jan. 2015
Yealink T29G
PHONE INTERFACE
Displays information about calls, messages, softkey, time and date
Indicates phone power status and phone status
Use these keys to activate up to three accounts and assign various features
Label automatically to identify their context sensitive feature
5
Scroll through the displayed information.
Confirms actions or answers incoming calls.
Cancels actions, rejects incoming calls, mutes or un-mutes calls.
Toggles and indicates the headset mode.
Places a call on hold or resumes a held call.
Transfers a call to another party.
Toggles the hands-free speakerphone mode.
Redials a previously dialed number.
Indicates and accesses voicemails.
Conducts a conference call with multiple other parties.
Mutes or un-mutes an active call.
Adjusts the volume of the handset, headset, speaker, and ringer.
Provides the digits, letters and special characters in context-sensitive applications.
Provides ringer and hands-free (speakerphone) audio output.