Refer to the exhibit. 

Which three pieces of information can be derived from this sip massage? (Choose Three) 

Answer options:

A. The call will have no audio
B. Only OOB DTMF will be supported
C. G722 codec will be chosen
D. The B2BUA uses IP 172.16.100.50
E. This is a flow-around configuration
F. The call will last only 30 minutes

BDF