Aastra 6757i CT User Manual page 159

Incoming Intercom Features
in Aastra Web UI
Play Warning Tone
Allow Barge In
For more information about the incoming Intercom features and for procedures on setting these
features, see
152
Description
Allows you to enable or disable a warning tone to play when the
phone receives an incoming intercom call on an active line.
Allows you to enable or disable how the phone handles incoming
intercom calls while the phone is on an active call.
"Incoming Intercom Call Features" on page 259.
Model 6757i CT IP Phone User Guide