Yealink SIP-T23P User Manual page 119

Intercom key is configurable via web user interface at the path DSSKey->Line key.
To place an intercom call:
1. Press the intercom key when the phone is idle.
The phone is automatically connected to the extension specified in the Value field.
2. Press the intercom key again or the EndCall soft key to end the intercom call.
The SIP-T23(P/G) IP phone supports automatically to answer an incoming intercom call
by default. The phone automatically plays a warning tone when it receives an incoming
intercom call. In addition, you can enable the phone to mute the microphone when it
automatically answers an incoming intercom call. You can also enable the phone to
automatically answer an incoming intercom call while there is already an active call on
the phone. Then the active call is placed on hold.
Intercom features you need to know:
Intercom Feature
Enable or disable the IP phone to automatically
Accept Intercom
answer an incoming intercom call.
Enable or disable the IP phone's microphone for
Intercom Mute
intercom calls.
Enable or disable the IP phone to play a warning
Intercom Tone
tone when it receives an incoming intercom call.
Enable or disable the IP phone to automatically
Intercom Barge answer an incoming intercom call while there is
already an active call on the phone.
To configure intercom features via phone user interface:
1. Press Menu->Features->Intercom.
2. Make the desired changes (Press
features).
3. Press the Save soft key to accept the change or the Back soft key to cancel.
These specific parameters are configurable via web user interface at the path
Features->Intercom.
Advanced Phone Features
Description
or to switch between different intercom
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