Which is not true about VoIP?
A) It is used as an alternative to PBXs, PAXs, and PABXs.
B) When a VoIP telephony system needs to be connected to the outside world, a specialized gateway is used to convert the IP packetized voice data into a signal that can be transmitted over a public switched telephone network for regional, long distance, or both voice communications.
C) VoIP implementations can be expensive, because organizations have to install special networks.
D) None of the above.
Correct Answer:
Verified
Q26: _ is a video compression technique that
Q27: The M in PCM stands for _.
A)multicast
B)modulation
C)media
D)moving
Q28: Which is not true about SIP?
A)It uses
Q29: The _ standard outlines several types of
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