Calls fail on PRI from PBX to PRI on MGCP Gateway

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Oct 16th, 2007
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Local 7-digit dialing fails from Mitel PBX to MGCP controlled gateway PRI. Extensions dialing between the two networks as well as long distance dialing all work fine. On the q.931 debug I get a failure that says " cause i = 0x80A9 - Temporary Failure". Any ideas?

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aamercado Wed, 10/17/2007 - 20:37
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There are 2 legs.


For the isdn leg, Is the isdn error on a TX or RX?


For the voip leg, what does deb ccapi voip inout tell you?


or deb mgcp packet tell you?

marknigh1 Thu, 03/13/2008 - 21:37
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Did you get this fixed. I am connecting to a Mitel PBX via a Cisco 3845 configured as a H.323 gateway. IP Phones can all Mitel, but when Mitel calls an IP Phone the IP Phone answers but the Mitel phone keeps ringing.


Your help is appreciated.

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