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DMA Operations Guide Prefix Service
258 Polycom, Inc.
The following table describes the fields in the dialog box.
See also:
“Call Server Configuration” on page 219
Edit Vertical Service Code Dialog Box
The Edit Vertical Service Code dialog box lets you edit a call forwarding or
hunt group service invoked when callers dial the vertical service code (VSC)
for that service followed by the alias. These services are included on the Prefix
Service page and can’t be deleted. But you can disable them or change their
names, descriptions, or VSCs (shown in the Prefix Range column of the Prefix
Service page). If you change the VSCs, be sure to inform all users of the
change.
Note
This feature is not related to the Polycom DMA system’s built-in H.323<->SIP
gateway. Simplified ISDN gateway dialing is for routing calls to H.320 or PSTN
protocol gateways.
Table 10-21 Fields in the Edit Simplified ISDN Gateway Dialing Prefix dialog box
Column Description
Name A display name for this service.
Description Brief description of the service.
Enabled Clearing this check box lets you turn off the service
without deleting it.
Simplified ISDN dialing
prefix
The dial string prefix(es) assigned to this service.
Enter a single prefix (44), a range of prefixes (44-47),
multiple prefixes separated by commas (44,46), or a
combination (41, 44-47, 49).
If your dial plan uses the Dial services by prefix dial rule
(in the default dial plan) to route calls to services, all dial
strings beginning with an assigned prefix are forwarded
to this service for resolution.
Use all ISDN gateways Indicates whether this service applies to all available
gateways or only those selected below.
Available ISDN
gateways
Lists the gateways that have at least one session profile
specifying an H.320 or PSTN protocol. See “Edit MCU
Dialog Box” on page 128.
Selected ISDN
gateways
Lists the selected gateways. The arrow buttons move
gateways from one list to the other.