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CCM voice gw H.323 failover issue

Hi!

We have a Cisco CallManager cluster with redundant H.323 Voice gateways for

PSTN connectivity. The CCM version is 4.1(2) and the VG's are Cisco 3745

routers running 12.3 mainline IP VOICE image. When the PRI links on the

first VG goes down, the CCM does not forward the calls to the redundant VG.

The route groups, lists and patterns are configured properly on the CCM.

Also the dial-peer and POTS config are proper on both the VG's. The problem

is only with outbound calls. We tried upgrading the IOS on the VG, still no

luck.

Is this problem related with the IOS feature set, like the IP Plus? Pls

suggest...

Rgds.

Sri,

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