Operating instructions

Section 700 - Operation Chapter 7. SLT Features
ICX-45-700 ICX (International) issued June 2000 299
To answer a message waiting indication (Callback):
To cancel a Callback Message:
Hardware Requirements
•N/A
Related 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 COS
Considerations
• The System has priority message waiting for 3rd-party voice mail. See “Voice Mail Integration
(Third Party)” on page 69.
Offhook Signalling
Description
Offhook Signalling sends a tone over the handset to a busy extension to indicate that a trunk call has
arrived or a call is camped-on.
Operation
After receiving an offhook signal during a call:
Action Result
1. Lift the handset. Stutter dial tone
2. Enter the Message Wait Callback code (default = *6). Telephone automatically dials extension
that set Message Waiting Indication
Action Result
1. Lift the handset. Intercom dial tone
2. Enter the Callback Request Cancel code (default = *5).
3. Replace the handset.
Action Result
1. Complete the first call and place the handset on hook.
2. After the telephone rings, go off hook.