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Calling ID is Unknown Number in Incoming Calls

Dear All

i have CUCM 7.1 and h323 gateway , my issue is :

Some times , not always , the calling Id is giving " Unknown Number " in incoming calls

what is the problem and how to solve it ?

thanks

1 REPLY

Calling ID is Unknown Number in Incoming Calls

do you see the calling number provided by ITSP in the GW for those faulty calls?

what is the connection to pstn? isdn pri? if so, collect debug isdn q931 to check whether or not the itsp provides the caller id? It could be issue with provider too.

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//Suresh Please rate all the useful posts.
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