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CompTIA® Network+® N10-005 In Depth by Tamara Dean

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chapter 12

Voice and Video over IP

After reading this chapter and completing the exercises, you will be able to:

• Use terminology specific to converged networks

• Explain VoIP (Voice over IP) services, PBXs, and their user interfaces

• Explain video-over-IP applications and their user interfaces

• Describe VoIP and video-over-IP signaling and transport protocols, including SIP, H.323, and RTP

• Understand QoS (quality of service) assurance methods critical to converged networks, including RSVP and DiffServ

On the Job

The critical element in a stroke is time. Doctors have three hours from the onset of a stroke to deliver a lifesaving drug called tPA. Neurologists can cut this time by seeing patients through videoconferencing.

I provide support ...

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