7-30 DBS 576 (USA) issued October 2000 576-36-700Chapter 7. SLT Features Section 700 - OperationTo answer a message waiting indication (Callback):To cancel a Callback Message:Hardware Requirements• N/ARelated Programming• FF1-0-03: Extension COS (Message Wait set/cancel)• FF1-0-03: Extension COS (Priority Message Wait set/cancel)• FF1-2: Dial Plan• FF3: Extension COSConsiderations• The System has priority message waiting for 3rd-party voice mail. See “Voice Mail Integration(Third Party)” on page 69.Offhook SignalingDescriptionOffhook Signaling sends a tone over the handset to a busy extension to indicate that a CO call hasarrived or a call is camped-on. Prior to Version 3.6, users receiving an offhook signal during aconversation had to end the call before answering an incoming call. Beginning with Version 3.6, usersreceiving an offhook signal during conversation can press and release the hook quickly (hookflash) toplace the current call on hold and answer the incoming call.Action Result1. Lift the handset. Stutter dial tone2. Enter the Message Wait Callback code (default = *6). Telephone automatically dials extensionthat set Message Waiting IndicationAction Result1. Lift the handset. Intercom dial tone2. Enter the Callback Request Cancel code (default = *5).3. Replace the handset.
