System Functions and Features as of I7.9
Features 421
syd-0200/3.0 – I7.9 – 11.2009
Detailed Description
Tab. 260 Callback to free user
The callback is triggered only to user A, who set the callback, regardless of whether
a CFU or CFNR to a user C has been activated at A.
Amount of time a callback to free user remains valid: 45 minutes.
If B has a system terminal with display, a text message with a callback prompt will
appear, i. e. the callback is not automatically initiated by the PBX. In principle call-
back requests are displayed with maximum priority on the terminal, i. e. before no-
tifications by the Voice Mail System and before any text messages.
Suffix dialling procedures
Tab. 261 Callback to free user: Procedures
System configuration
Tab. 262 Callback if user is free: System configuration
Reference to Other Features
Interface
Operating sequence / signalling on the ter-
minal
Scope
A Once the callback procedure has been exe-
cuted, A obtains the acknowledgement tone.
Restriction:
User A can only initiate one callback at a time.
B Possible interfaces:
Internal
System Terminals a/b terminal
Activate callback R9 or R*37
Clear callback #37
Parameter Parameter value Remarks
No settings
Features:
• "Callback if user busy", page 419
• "Wait until free", page 422
• "Message function", page 409
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