Voice Mailboxes on the PBX > Voice Mailbox > Message Forwarding

Message Forwarding
The message forwarding function means you can be notified by the voice mailbox set up for the phone number configured on the PBX when new messages arrive.
Proceed as follows:
Using the telephone (function key or  > Functions > VMB message fwd.)
Switch message forwarding on or off.
VMB number 
Enter the voice mailbox number.

COMfortel 1400 IP/2600 IP/3600 IP - Firmware V2.8 - Advanced Information V08 12/2020