Yealink SIP-T48G Administrator's Manual page 274

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
Parameters
For SIP-T42G IP phones:
The default value of the line key 1-12 is 15, and the default value of the line key 13-15
is 0.
For SIP-T41P IP phones:
The default value of the line key 1-6 is 15, and the default value of the line key 7-15 is
0.
For SIP-T27P IP phones:
The default value of the line key 1-6 is 15, and the default value of the line key 7-21 is
0.
For SIP-T23P/T23G/T21(P) E2 IP phones:
The default value is 15.
Web User Interface:
DSSKey->Line key->Type
Phone User Interface:
Menu->Features->DSS Keys->Line Key X->Type
linekey.X.line
Description:
Configures the desired line to apply the call park key.
X ranges from 1 to 29 (for SIP-T48G).
X ranges from 1 to 27 (for SIP-T46G/T29G).
X ranges from 1 to 15 (for SIP-T42G/T41P).
X ranges from 1 to 21 (for SIP-T27P).
X ranges from 1 to 3 (for SIP-T23P/G).
X ranges from 1 to 2 (for SIP-T21(P) E2).
Permitted Values:
1 to 16 (for SIP-T48G/T46G/T29G)
1 to 12 (for SIP-T42G)
1 to 6 (for SIP-T41P/T27P)
1 to 3 (for SIP-T23P/G)
1 to 2 (for SIP-T21(P) E2)
1-Line 1
2-Line 2
...
16-Line 16
Example:
260
Permitted Values
Refer to the following
content
Default
1-16 correspond to
the lines 1-16