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Avaya 9611 calling issue with CUCM

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Tom Clancy

Systems Engineer
Sep 8, 2017
20
IN
Hi team,,
I am facing problem in integrating Avaya 9611 sip phone in CUCM environment. The phone is getting registered but one way calling is happening. Dialling and speech establishment from Avaya phone to Cisco phone is happening but Cisco IP phone are not able to dial Avaya 9611 extns.
 
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