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Client A in X site uses an IP phone to call client B in Y site. Engineers have selected SCCP as the default VoIP signali

Posted: Fri Jul 22, 2022 2:53 pm
by answerhappygod
Client A in X site uses an IP phone to call client B in Y site. Engineers have selected SCCP as the default VoIP signaling protocol. Which network path will the call signaling take when client A calls client B?

A. IP phone X > CUCM subscriber > IP phone Y using TCP port 1000
B. IP phone X > CUCM subscriber > IP phone Y using TCP port 2000
C. IP phone X > CUCM subscriber > IP phone Y using UDP port 1000
D. IP phone X > IP phone Y using TCP port 2000
E. IP phone X > IP phone Y using TCP port 1000