Hi friends,
We have done successfully integration of Avaya J129 & 9650 SIP phone with CUCM 11.5. After the integration we can make outgoing call from the AVAYA SIP phone to the other Cisco extensions(internal) and external calls too. But in case of incoming calls(from both internal & external) to the Avaya phones, it's giving a blank tone!! Any clue or idea from anybody will be a great help !
