170 Model 9143i IP Phone User GuideYou can change the behavior of how the phone handles incoming intercom calls by enabling/disabling specific parameters using the Aastra Web UI. The following table describes thesefeatures.Microphone MuteYou can mute or unmute the microphone on the IP phone for intercom calls made by theoriginating caller. If you want to mute the intercom call, you enable this feature. If you want tounmute (or hear the intercom call), you disable this feature. "Microphone Mute" is enabled bydefault.Incoming Intercom Features inAastra Web UI DescriptionMicrophone Mute Allows you to enable or disable the microphone on the IPphone for Intercom calls made by the originating caller.Auto Answer Allows you to enable or disable the IP phone to automaticallyanswer an Intercom call. If auto-answer is enabled on the IPphone, the phone plays a tone (if "Play Warning Tone" isenabled) to alert the user before answering the intercom call. Ifauto-answer is disabled, the phone rejects the incomingintercom call and sends a busy signal to the caller.Note: Your Administrator can set a time period delay beforethe phone automatically answers. Contact your SystemAdministrator for more information.Play Warning Tone Allows you to enable or disable a warning tone to play whenthe phone receives an incoming intercom call on an active line.Allow Barge In Allows you to enable or disable how the phone handlesincoming intercom calls while the phone is on an active call.
