57Automatic ReleaseDescriptionAutomatic Release drops the line circuit when an outside party abandons the call. For this feature towork with Loop Start Trunks, the CO/PBX providing the outside line must provide a timed disconnectsignal. Automatic Release is normally provided on Ground Start, DID, ISDN, and Tie Line trunks.ConditionsAutomatic Release on ISDN trunks is provided by the protocol.When an outside line is accessed using a dedicated line key, the LED associated with theline key goes off when Automatic Release occurs.This feature functions while a call is in progress, on hold, or in a conference.This feature applies to all ICM type calls in progress, holding or parked.When Automatic Release occurs and the telephone is in handsfree mode, Speakerautomatically turns off. If using the handset, the station is set to idle when the handset goeson-hook.Default SettingsNoneSystem AvailabilityTerminalsNoneRequired Component(s)NoneRelated FeaturesCentral Office Calls, AnsweringCentral Office Calls, Placing
