Function Description - Fanvil X3S Software Installation & Configuration

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Function Description

If the call completion function is enabled, signaling auto redial is enabled. If the called party is
busy or rejects the call (reject response code 486), the telephone set displays the messages "Call
completion. Wait xxx" and "Call completion. Call xxx" and determines whether the peer
telephone set is in the standby state (the peer telephone set is in the terminated state if it sends
NOTIFY). The user then determines whether to manually call back or cancel the call.
If the call completion function is disabled, the telephone set does not display the "Call
completion. Wait xxx" or "Call completion. Call xxx" message.