V8: Preferences → CallForwarding
V10: Identity → Features → CallForwarding → Busy → Off Code
V8: Menu → Call Features → Call Forwarding
V10: N/A
V8
Starting versions: 8.7.4
If the PBX/SIP server handles call diversion, a star code can be specified to disable Call Forwarding Busy (CFU) from the phone. This code is dialled together with the target number, when the feature becomes deactivated.
Starcode to be dialed, e.g. *61
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