Which protocol is used for sending Feature Buttons and Dial Plan information to an Avaya Aura® Communication Manager controlled SIP Endpoint, also known as Avaya SIP Telephone (AST)?

Which protocol is used for sending Feature Buttons and Dial Plan information to an Avaya Aura® Communication Manager controlled SIP Endpoint, also known as Avaya SIP Telephone (AST)?
A . STUN/TURN
C . 248
D . Personal Profile Management (PPM)
E . Session Description Protocol (SDP)

View Answer

Answer: C

Explanation:

Reference https://downloads.avaya.com/css/P8/documents/100154012