Aastra 9480i User Manual page 216

Configuring Incoming Intercom Settings
Use the following procedure to configure incoming intercom call settings on the IP phone.
1. Click Basic Settings->Preferences->Incoming Intercom Settings.
2. The "Auto-Answer" field is enabled by default. The automatic answering feature is turned
on for the IP phone for answering Intercom calls. To disable this field, uncheck the box.
3. The "Microphone Mute" field is enabled by default. The microphone is muted on the IP
phone for Intercom calls made by the originating caller. To disable this field, uncheck the
box.
4. The "Play Warning Tone" field is enabled by default. If "Auto-Answer" is enabled, the
phone plays a warning tone when it receives in incoming intercom call. To disable this field,
uncheck the box.
5. The "Allow Barge In" field is enabled by default. If "Allow Barge In" is enabled, the phone
puts an active call on hold and answers the incoming Intercom call. To disable this field,
uncheck the box.
6. Click Save Settings.
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Aastra Web UI
Note:
If the Auto-Answer field is not checked (disabled), the phone rejects the
incoming intercom call and sends a busy signal to the caller.
Model 9480i IP Phone User Guide