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CVP ASR Failover Issue

I have a 7.0(2) CVP implementation integrated with Nuance ASR.  I have both a primary and backup ASR server.  I have a IP Host reference in the VXML GW for both the primary and backup ASR servers.  The ASR features work correctly if I point the asr-en-us IP Host reference to either the primary or the backup server.  If I disable the services on the primary ASR server, no requests are sent to the backup ASR server.  Has anyone successfully configured a backup ASR server for CVP?

1 ACCEPTED SOLUTION

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Re: CVP ASR Failover Issue

Are you calling ASR from a CVP VXML application  (built with Studio) or from CVP microapps?

The "-backup" specification in the IP host table as described in the CVP Config Guide will work for a microapp, but from a CVP VXML application, you would need to use a VIP (virtual IP) supported by a CSS (Content Services Switch). Normally you want a two-pack CSS for fault-tolerance.

Regards,

Geoff

2 REPLIES
Green

Re: CVP ASR Failover Issue

Are you calling ASR from a CVP VXML application  (built with Studio) or from CVP microapps?

The "-backup" specification in the IP host table as described in the CVP Config Guide will work for a microapp, but from a CVP VXML application, you would need to use a VIP (virtual IP) supported by a CSS (Content Services Switch). Normally you want a two-pack CSS for fault-tolerance.

Regards,

Geoff

Re: CVP ASR Failover Issue

I'm calling it from a CVP Studio application.  That makes sense why it would not work in that scenario.  Thanks.

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