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Call Server Configuration
Polycom, Inc. 272
See also:
Call Server Configuration on page 233
Add Simplified ISDN Gateway Dialing Prefix Dialog Box on page 272
Edit Simplified ISDN Gateway Dialing Prefix Dialog Box on page 273
Add Simplified ISDN Gateway Dialing Prefix Dialog Box
The Add Simplified ISDN Gateway Dialing Prefix dialog box lets you create a new prefix-driven simplified
ISDN gateway dialing service for using external ISDN gateways.
The following table describes the fields in the dialog box.
See also:
Call Server Configuration on page 233
Prefix Service on page 271
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 ISDN 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 ISDN gateways. The arrow buttons move gateways from
one list to the other.