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CUCM 9.1 RTMT call termination code

I am currently having trouble letting callers go out internationally.  It has been working in the past and not sure what has changed. No matter what country is called we get a fast busy signal after the numbers are dialed. It lets us dial all the number with no error. I checked and i cant find anything wrong with our dial peer or call manager.  I am using RTMT and its giving me a code of 27 destination out of order.  We are using cucm 9.1.  I hope this is enough info and i thank you for any help.
1 Solution
José MéndezCommented:
That termination code sounds like CM is trying to communicate with the gateway but fails. Log into the gateway and collect the output after running these debugs:

debug ccapi inout
debug isdn q931
debug ccsip messages
debug h225 asn1
debug h245 asn1
term mon

Be careful not to crash the gateway if you have many many calls.

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