Which of the following protocols cannot be used to filter VoIP traffic?

Which of the following protocols cannot be used to filter VoIP traffic?

Which of the following protocols cannot be used to filter VoIP traffic?

A.
Media Gateway Control Protocol (MGCP)

B.
Real-time Transport Control Protocol (RTCP)

C.
Session Description Protocol (SDP)

D.
Real-Time Publish Subscribe (RTPS)

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Naveen Kumar

Naveen Kumar

D – Rest all protocols used for VOiP

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Q　

Q　

Excerpt from Wikipedia “VoIP Protocols”:

Just to memorize all of these…

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Protocols

Voice over IP has been implemented in various ways using both proprietary protocols and protocols based on open standards. Examples of the VoIP protocols are:

H.323
Media Gateway Control Protocol (MGCP)
Session Initiation Protocol (SIP)
H.248 (also known as Media Gateway Control (Megaco))
Real-time Transport Protocol (RTP)
Real-time Transport Control Protocol (RTCP)
Secure Real-time Transport Protocol (SRTP)
Session Description Protocol (SDP)
Inter-Asterisk eXchange (IAX)
Jingle XMPP VoIP extensions
Skype protocol
Teamspeak

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