Yealink SIP-T4U Series

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
564
T57W T54W
T48U/S/-
G
T46U/S/-
G
T42-
U/
T42-
S/
T41S
T42-
G/
T41-
P
T40P/-
G
T29G
T53W/T-
53
/T43U
/T27G
CP92-
0
T23P/T23-
G/
T21(P) E2
T19
(P)
E2
Description
Auto Answer
Do Not Disturb
(T48U/-
S)
(T46U/-
S)
/ / / Phone Warning
Call Forward
Call Hold
Call Mute
/ / Keep Mute
Ringer volume is
0
Phone Lock
Received Calls
Placed Calls
Missed Calls
Forwarded Calls
/ / / /
Recording starts
successfully
(USB recording)
/ / / /
Recording is
paused (USB
recording)
/ /
Recording box is
full (DSSKey
recording)
/ /
A call cannot be
recorded
(DSSKey record-
ing)
/ /
Recording starts
successfully
(DSSKey record-
ing)
/ /
Recording can-
not be started
(DSSKey record-
ing)