Yealink SIP-T48G

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
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This section provides the DSS key parameters you can configure on IP phones. DSS key consists of line key (line key is not applicable to SIP-T19(P) E2 and
CP860 IP phones), programable key and ext key (ext key is only applicable to SIP-T48G/T46G/T29G/T27P IP phones). The following table lists the number of
DSS keys you can configure for each phone model:
Phone Model
Line Key
Programable Key
Ext Key
SIP-T48G
29
13
39
SIP-T46G
27
13
39
SIP-T42G
15
11
/
SIP-T41P
15
11
/
SIP-T40P
3
11
/
SIP-T29G
27
14
39
SIP-T27P
21
14
39
SIP-T23P/G
3
11
/
SIP-T21(P) E2
2
11
/
SIP-T19(P) E2
/
11
/
CP860
/
8
/
Note
The programable key takes effect only if the IP phone is idle.
The ext key takes effect only if the expansion module is connected to the IP phone.