If A and B two IP phones registered to the same U1960, which of the following statement is correct? ( )
A. A and B media stream need to go through U1960
B. A and B on the phone, the path of the signaling flow and media flow is the same
C. when A and B is on the phone, U1960 lose power unexpectedly, the call of A and B is immediately interrupted
D. after U1960 outage, A and B can not initiate a new call
Answer:D
If A and B two IP phones registered to the same U1960, which of the following statement is correct? ( )
A. A and B media stream need to go through U1960 B. A and B on the phone, the path of the signaling flow and media flow is the same C. when A and B is on the phone, U1960 lose power unexpectedly, the call of A and B is immediately interrupted D. after U1960 outage, A and B can not initiate a new call