Configuring Basic Features
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3. Enter the specified DTMF digits in the Tran Send DTMF field.
4. Click Confirm to accept the change.
Intercom allows establishing an audio conversation directly. The IP phone can answer
intercom calls automatically. This feature depends on support from a SIP server.
Intercom is a useful feature in office environments to quickly connect with an operator or
secretary. Users can press an intercom key to automatically initiate an outgoing
intercom call with a remote extension.
Procedure
Intercom key can be configured using the configuration files or locally.