Additional Features41-001381-05 REV03 – 07.2014 180Incoming Intercom Call FeaturesIncoming IntercomBy default, the IP phone allows incoming intercom calls to be automatically answered without having to set up an Icomkey on your phone. The phone automatically plays a warning tone when it receives an incoming intercom call. It alsomutes the microphone. If the intercom call comes into the phone while an active call is already present, the phone putsthe active call on hold and answers the intercom call.You can change the behavior of how the phone handles incoming intercom calls by enabling/disabling specific parame-ters using the Aastra Web UI. The following table describes these features.Microphone MuteYou can mute or unmute the microphone on the IP phone for intercom calls made by the originating caller. If you want tomute the intercom call, you enable this feature. If you want to unmute (or hear the intercom call), you disable this feature."Microphone Mute" is enabled by default.Auto-Answer/Play Warning ToneThe auto-answer feature on the IP phone allows you to enable or disable automatic answering for an Intercom call. If“Auto-Answer” is enabled, the phone automatically answers an incoming intercom call. If “Play Warning Tone” is also ena-bled, the phone plays a tone to alert you before answering the intercom call. If “Auto-Answer” is disabled, the phone treatsthe incoming intercom call as a normal call. "Auto-Answer" and "Play Warning Tone" are enabled by default.Allow Barge InYou can configure whether or not the IP phone allows an incoming intercom call to interrupt an active call. The “AllowBarge In” parameter controls this feature. When you enable the this parameter, which is the default value, an incomingintercom call takes precedence over any active call, by placing the active call on hold and automatically answering theintercom call. When you disable this parameter, and there is an active call, the phone treats an incoming intercom call likea normal call and plays the call warning tone. "Allow Barge In" is enabled by default.Incoming Intercom Features in AastraWeb UI DescriptionAuto Answer Allows you to enable or disable the IP phone to automatically answeran Intercom call. If auto-answer is enabled on the IP phone, thephone plays a tone (if "Play Warning Tone" is enabled) to alert theuser before answering the intercom call. If auto-answer is disabled,the phone treats the incoming intercom call as a normal call.Your Administrator can set a time period delay before the phoneautomatically answers. Contact your System Administrator for moreinformation.Microphone Mute Allows you to enable or disable the microphone on the IP phone forIntercom calls made by the originating caller.Play Warning Tone Allows you to enable or disable a warning tone to play when thephone receives an incoming intercom call on an active line.Allow Barge In Allows you to enable or disable how the phone handles incomingintercom calls while the phone is on an active call.Note:Your Administrator can set a time period delay before the phone automatically answers. Contact your System Admin-istrator for more information.