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1.19 Voice Mail Features
Feature Guide 143
3. VM Service
Allows callers to leave voice messages for specific parties, such as an extension user. Extension users
can then listen to the messages left in their mailboxes at their convenience.
AA Service
A VPS can be used for the AA service as well as the VM service. When a call is directed to a port of the
VPS that is in AA service mode, the caller will hear an outgoing message (OGM). After or while listening to
the OGM, the caller may dial an extension number as directed (e.g., "Enter the extension number of the
desired party.").
1. AA to Extension
AA receives and answers outside (CO) line calls and offers services such as transferring to an
extension or mailbox using DTMF signalling from the calling party.
2. Extension Backup
If the VPS is assigned to ring with other extensions, for example the operator, for the same outside (CO)
line, the VPS can be used as a backup for the operator when the operator cannot answer an incoming
outside (CO) line call.
In order to use this feature, Delayed Ringing must be set for the VPS ( Delayed Ringing—Day/Night/
Lunch [411-413]).
3. Status Notification to the VPS
When a call is redirected to the VPS, the PBX sends the status of the called extension to the VPS. This
allows the VPS to appropriately handle the call, playing the appropriate OGM for the caller. For
example, if the called extension is in Do Not Disturb (DND) mode, the OGM (e.g., "I am unable to
answer your call right now, but I will get back to you shortly.") can be played.
Outside (CO) Line Call
Extension
AA 1 AA 2
AA Hunting Chain
PBX
VPS
DIL
Transfer
Busy/No Answer
(Record message)
Outside (CO) Line Call
PBX
AA 1
AA 2
VPS
Normal
Immediately
10 s delay
15 s delay
Extension
(e.g., Operator)