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Redundant VOIP dial peers on H323 gateways

Hi, I have a CM 5.1 system with 2 CM's in the cluster. I have 22 voice gateways all configured as H323. I have the following dial peers configured in some variation for incoming calls on each gateway:

dial-peer voice 44 voip

preference 1

destination-pattern 3205

voice-class codec 1

session target ipv4:10.100.1.5

dtmf-relay h245-alphanumeric

no vad

!

dial-peer voice 45 voip

preference 2

destination-pattern 3205

voice-class codec 1

session target ipv4:10.100.2.5

dtmf-relay h245-alphanumeric

no vad

10.100.1.5 is my publisher and 10.100.2.5 is my subscriber. Everything works just fine in this configuration when all my servers are up.

The problem: My publisher went down the other day (10.100.1.5) and all incoming calls got a busy signal. All the phones were registered and could make outgoing calls just fine.

My Question: Do I have this backup dial peer for the subscriber configured correctly? Is there something in CM I need to enable for this backup dial peer to work properly? For whatever reason in this configuration calls would not get forwarded to my subscriber.

Thanks for your help.

2 REPLIES

Re: Redundant VOIP dial peers on H323 gateways

Which is the order of codec preference in your voice-class codec? How is configured your cluster?

Regards,

-- Adrián.

Cisco Employee

Re: Redundant VOIP dial peers on H323 gateways

try configuring this timers

Configurable Timers in H.225

http://www.cisco.com/en/US/partner/docs/ios/12_1t/12_1t2/feature/guide/dtcfgtim.html

HTH

javalenc

HTH

java

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