Which of the description is correct about user number tracking function?
A. Only supports H248 protocol
B. You can use the phone number to start the trace, or you can use the slot port number to start the trace.
C. Any user has permission to perform user number tracking in diagnose mode
D. Only supports MGCP protocol
Answer:B
Which of the description is correct about user number tracking function?
A. Only supports H248 protocol B. You can use the phone number to start the trace, or you can use the slot port number to start the trace. C. Any user has permission to perform user number tracking in diagnose mode D. Only supports MGCP protocol