Yealink T54S

Appendix
592
T54S/
T52S
T48S
T48G
T46S
T46G
T42S/
T41S
T42G/
T41P
T40P
/G
T29G
T27G
T27P
T23P/T23
G/T21(P)
E2
T19(P)
E2
Description
Headset mode
Voice Mail
/
/
Text Message
Auto Answer
Do Not Disturb
Call Forward
Call Hold
Call Mute
/
/
Keep Mute