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Not receiving ACM after IAM possible reasons

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Muhammad Usman
Not receiving ACM after IAM possible reasons

I have made an interconnection between Cisco-AS 5400 and Alcatel C-4 exchanges. SS7 Link is stable and working fine. But when i am trying to place calls i am not receiving ACM most of the time. After 20 seconds when T1 timer expires my switch releases call.

What could be the possible reasons for it?

kadambi
Not receiving ACM after IAM possible reasons

Please Check if IAM is coming with Continuity Check Required? If such it the case then T8 timer need to be started and COT message should be received within this time. Then only ACM will come.