What is the cause of this problem?

A large Enterprise is using an Avaya Aura® Core. An Avaya SIP Endpoint, one-X® Communicator, controlled by Avaya Aura® Communication Manager (CM), has been configured with three feature buttons, but none of the buttons appear on the telephone interface. The telephone shows successful registration with Avaya Aura® Session Manager (SM) at the SIP Level.

What is the cause of this problem?
A . The SM Server is down.
B . The SIP Signaling Group between SM and CM is down.
C . The telephone is pointing to CM instead of SM for registration.
D . CM has no DSP Resources available.
E . The Application Sequence for CM has not been selected for that extension in S

View Answer

Answer: E