Which is a protocol used in the H.323 standard?
A. 802.1
B. SIP
C. Q.931
D. SDP
Answer:C
Which is a protocol used in the H.323 standard?
A. 802.1 B. SIP C. Q.931 D. SDP
Explanation: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/H-323/configuration/15-mt/voi-h323-overview.html#GUID-8130E479-580A-4450-91EA-A1CDCE96548A