Yealink SIP-T2 SERIES Administrator's Manual page 502

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Menu->Features->Intercom->Intercom Tone
features.intercom.barge
Description:
Enables or disables the IP phone to answer an incoming intercom call while there is
already an active call on the IP phone.
0-Disabled
1-Enabled
If it is set to 0 (Disabled), the IP phone will handle an incoming intercom call like a
waiting call while there is already an active call on the IP phone.
If it is set to 1 (Enabled), the IP phone will automatically answer the intercom call
while there is already an active call on the IP phone and place the active call on
hold.
Note: It works only if the values of parameters ―features.intercom.allow‖ and
"call_waiting.enable" are set to 1 (Enabled).
Web User Interface:
Features->Intercom->Intercom Barge
Phone User Interface:
Menu->Features->Intercom->Intercom Barge
To configure intercom via web user interface:
1. Click on Features->Intercom.
2. Select the desired values from the pull-down lists of Accept Intercom, Intercom
Mute, Intercom Tone and Intercom Barge.
3. Click Confirm to accept the change.
To configure intercom via phone user interface:
1. Press Menu->Features->Intercom.
2. Press
Accept Intercom, Intercom Mute, Intercom Tone and Intercom Barge fields.
480
Parameters
or , or the Switch soft key to select the desired values from the
Permitted Values Default
0 or 1 0