Yealink SIP-T2xP Administrator's Manual page 156

Administrator's Guide for SIP-T2xP and SIP-T19P IP Phones
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.
3. Press the Save soft key to accept the change.
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or , or the Switch soft key to select the desired values from the