Cisco VGD-1T3, Руководство по настройке программного обеспечения

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Using Cisco Unified Communications Manager to Configure MGCP Gateway Support
Configuring MGCP Gateway Support
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Cisco VGD 1T3 Voice Gateway Software Configuration Guide
The MGCP gateway also establishes a TCP link to the backup (secondary) Cisco Unified
Communications Manager server. In the event of a Cisco Unified Communications Manager switchover,
the secondary Cisco Unified Communications Manager server performs the MGCP PRI backhaul
functions. During the switchover, all active ISDN PRI calls are preserved, and the affected MGCP
gateway is registered with the new Cisco Unified Communications Manager server through a
Restart-in-Progress (RSIP) message. In this way, continued gateway operation is ensured.
T1 CAS is supported in nonbackhaul fashion. Cisco Unified Communications Manager supports the
following CAS signaling types: E&M, wink-start, and E&M delay-dial. E1 CAS is not supported.
ISDN NSF in Route Patterns
The MGCP Gateway Support for Cisco Unified Communications Manager Network Specific Facilities
(NSF) feature supports the use of the ISDN NSF information element in the route pattern. This feature
is compatible with Cisco Communications Manager 3.3(2) (formerly known as
Cisco CallManager 3.3(2)) and later.
The route pattern design in Cisco Unified Communications Manager enables facilities or services to be
invoked on a call-by-call basis. The NSF information element, which is used in ISDN PRI setup
messages for outgoing calls, includes the carrier identification code (CIC) and service parameters. The
NSF configuration is done in Cisco Unified Communications Manager as part of the route pattern for
MGCP-controlled PRI ports. The NSF information element is inserted in the Q.931 stream so that the
attached PSTN switch can interpret the information elements and select the service and route the call to
a network.
With NSF configured, NSF can be used on a call-by-call basis. Without NSF configuration, you must
configure associated gateways as standalone H.323 gateways for which NSF services are configured
locally within the router. No configuration is required on the MGCP gateway to use the NSF feature.
Complete the following task to configure MGCP PRI backhaul on the Cisco VGD 1T3 voice gateway.
SUMMARY STEPS
1. enable
2.
configure terminal
3. controller t1 slot/ds3 port:ds1 port
4.
framing {esf | sf | crc4 | no crc4 | mp-crc4} [australia]
5. linecode {ami | b8zs}
6.
isdn switch-type {primary-4ess | primary-5ess | primary-dms100 | primary-ni | primary-net5 |
primary-ntt | primary-qsig | primary-ts014}
7. pri-group timeslots timeslot-range service mgcp
8.
exit
9. interface serial slot/ds3 port:ds1 port:timeslot
10.
isdn bind-L3 ccm-manager
11. exit