Changing the Phone Extension in Avaya Communicator for Microsoft Lync 2013 after the initial configuration
Problem You’ve completed deploying the Avaya Communicator for Microsoft Lync (version 6.4.0.2.50) client side integration with Skype for Business Server 2015 to replace the previous Lync Server 2013 and Avaya AES server’s RCC functionality but noticed that you are unable to change the Extension in