When an administrator troubleshoots H.323 call setup, which message gives an alert that the called party is being notified about the call?
A. ALERTING
B. PROCEEDING
C. CONNECT
D. RINGING
When an administrator troubleshoots H.323 call setup, which message gives an alert that the called party is being notified about the call?
A. ALERTING
B. PROCEEDING
C. CONNECT
D. RINGING