Yealink T40G - Page 618

Appendix
598
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
/
/
/
/
/
/
/
Line key type is
Retrieve Park
/
/
/
/
/
/
/
Line key type is
Intercom (intercom
idle state)
/
/
/
/
/
/
/
Line key type is
Intercom (intercom
ringing state)
Talking
Talking
/
/
/
/
/
/
/
Line key type is
Intercom (intercom
talking state)
Callout
Callout
/
/
/
/
/
/
/
Line key type is
Intercom (intercom
callout state)
/
/
/
/
/
/
/
Line key type is
Intercom (intercom
failed state)
/
/
/
/
/
/
/
Line key type is
DTMF/Prefix