When one Avaya SIP Telephone (AST) user calls another Avaya SIP Telephone (AST) user agent, Session Manager goes through different phases of processing the call.
What is the maximum number of Phase Tags and what are they called?
A . Two – imsorig and imsterm
B . Two- origappseq and termappseq
C . Four – imsorig, origdone, imsterm, termdone
D . Three – ingress, process, egress
Answer: C