Yealink SIP-T48G Administrator's Manual page 292

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
Parameters
Description:
Configures the intercom number.
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).
Example:
linekey.1.value = 1008
Web User Interface:
DSSKey->Line key->Value
Phone User Interface:
Menu->Features->DSS Keys->Line Key X->Value
To configure an intercom key via web user interface:
1. Click on DSSKey->Line Key.
2. In the desired DSS key field, select Intercom from the pull-down list of Type.
3. Enter the remote extension number in the Value field.
4. (Optional.) Enter the string that will appear on the LCD screen in the Label field.
5. Select the desired line from the pull-down list of Line.
6. Click Confirm to accept the change.
To configure an intercom key via phone user interface:
1. Press Menu->Features->DSS Keys.
2. Select the desired DSS key.
3. Press
278
or , or the Switch soft key to select Intercom from the Type field.
Permitted Values Default