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Call Server Configuration
Polycom, Inc. 273
Edit Simplified ISDN Gateway Dialing Prefix Dialog Box
The Edit Simplified ISDN Gateway Dialing Prefix dialog box lets you edit a prefix-driven simplified ISDN
gateway dialing service.
The following table describes the fields in the dialog box.
See also:
Call Server Configuration on page 233
Prefix Service on page 271
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 users of the change.
The following table describes the fields in the dialog box.
Note: ISDN Gateway vs. H.323<->SIP Gateway
This feature is not related to the Polycom RealPresence DMA system’s built-in H.323<->SIP gateway.
Simplified ISDN gateway dialing is for routing calls to H.320 or PSTN protocol gateways.
This feature isn’t supported for calls from SIP endpoints, but SIP endpoints can make ISDN gateway
calls by directly calling an MCU/gateway using its direct dial-in prefix (see Edit MCU Dialog Box on
page 133).
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 133.
Selected ISDN gateways Lists the selected gateways. The arrow buttons move gateways from one list
to the other.