Exam 11: Voice and Video Over IP

IPTV,videoconferencing,streaming video,and IP multicasting belong to the range of services known as ____.

Describe six functions performed by signaling protocols.

Explain the issue regarding the need for electric current that IP telephones face.

______________________________ is a simple technique that addresses QoS issues by prioritizing traffic.

Many network engineers consider ____ to be superior to MGCP.

Explain why MGCs are especially advantageous on large VoIP networks.

MATCHING Match each item with a statement below: a.H.323 terminal f.H.225 b.H.323 gateway g.H.245 c.H.323 gatekeeper h.RTP d.MCU (multipoint control unit) i.RSVP e.H.323 zone -Ensures that the type of information issued to an H.323 terminal is formatted in a way that the H.323 terminal can interpret.

____ signaling functions are more limited than those performed by the protocols in the H.323 group.

How does implementing VoIP assist in centralizing voice and data network management?

IP telephones are directly connected to the local loop.