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4.1 GUIDELINES FOR DPT INTEGRATION
76 Installation Manual
4.1 GUIDELINES FOR DPT INTEGRATION
4.1.1 Why DPT Integration is Important
The VPS works well with most PBXs because its connections are made through a standard
single line (tip/ring) telephone interface. However, the communication between the PBX and
VPS is best when DPT Integration is used; the VPS is already set up to communicate through
DPT Integration.
Once DPT Integration is established, the PBX sends information to the VPS through the data
link. This information enables the VPS to identify the extension that is calling, know where from
and why a call is forwarded, and recognise what the caller wants to do. This communication
allows features that are only available with DPT Integration— several of which are described
below:
Table 4-1
DPT INTEGRATION FEATURES
Remote Call Forwarding Set The subscribers and the Message Manager can
program their extensions from a remote location to
forward various types of calls to a desired extension or
an outside telephone.
Auto Configuration The VPS knows what extension numbers exist on the
PBX and creates mailboxes for each extension
automatically. Also sets the VPS clock with data from
the PBX clock.
Live Call Screening Extension users can monitor messages as they are
being left in the mailbox or intercept if required.
Two-Way Recording Extension users can record conversations into their
own mailboxes by pressing one button.
Two-Way Transfer Extension users can record conversations into
another person’s mailbox by pressing a button and
dialling an extension number.
Direct Mailbox Access The subscriber can directly enter his mailbox when he
calls the VPS. He does not have to dial his mailbox
number.
Trunk Service
(Universal Port)
Each PBX trunk (outside line) group can be assigned
one of 4 incoming call services: Voice Mail Service,
Automated Attendant Service, Interview Service and
Custom Service.
Intercom Paging* Callers can page subscribers through built-in
speakers and external paging equipment. For a Caller
ID Caller, if his name has been recorded for the Caller
Name Announcement feature, the name will be
announced at the end of the page.