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Model 57i CT IP Phone User Guide 188
Additional Features
Enable/Disable Call Waiting
The call waiting feature notifies the user on an active call, of a new incoming call.
You can disable the call waiting feature, so that the new incoming call is
automatically rejected by the phone with a busy message.
If you disable call waiting on the phone, and the user is on a call, any further
incoming calls receive busy unless “Call Forward Busy” or “Call Forward No
Answer and Busy” is configured on the phone (for information on
"Call Forwarding", see page 154.) It then forwards the call according to the rule
configured. The phone can only:
• transfer the currently active call
or
• accept transferred calls if there is no active calls.
If call waiting is disabled:
• intercom calls are treated as regular incoming calls and are rejected.
• pre-dialing with live dial pad disabled still accepts incoming calls.
• the “Incoming Call Interrupts Dialing” parameter is ignored because the
incoming call is automatically rejected (for information on "Incoming Call
Interrupts Dialing" see page 194).
• the Missed Calls List does not get updated with details of calls.
• the Blind Transfer feature on the phone may not work if two calls are made to
the phone at one time.
You can disable call waiting using the configuration files or the Aastra Web UI.