You select one client device type mentioned in this lesson for delivering VoIP or video-over IP...

You select one client device type mentioned in this lesson for delivering VoIP or video-over IP and research the device type (IP telephone, softphone, videophone, etc.). You should write a report summarizing your findings. The report should include a comparison of three to five devices currently available for general use, including the manufacturer, the model, the seller, the cost, and a summary of the manufacturer specifications.

Expert Solution

Solution: IP telephony is nothing but just another form of wired or wireless communication technology that allows the transmission of information between different devices on the basis of certain protocols. This information may include voice, fax, or some other form of information as well that is traditionally carried out over the PSTN (Public Switched Telephone Network). The transmission of information takes place in the form of data packets over the internet or the LAN avoiding the PSTN tolls. The popular VoIP protocols that are widely used to implement IP telephony are:

Session Initiation Protocol
H.323
Real-time Transport Protocol
Real-time Transport Control Protocol
Session Description Protocol (SDP)
Secure Real-time Transport Protocol (SRTP)

Some of the devices that are widely used for communicating while using VoIP are handsets, headsets as well as microphones that are connected to the personal computer. Now, talking about these devices, the handsets are the devices that are widely used device and it looks like a traditional telephone or a mobile phone that can be used for communication, a headset is a device that can be worn around the head for listening to the voice messages and it may also have a mic attaches to it which could be used for the speaking and sending your message signals towards the receiver. The third kind of device is the microphones or just the mic that can be used for transmitting the voice messages over the communication channel, it can be easily connected to the computer through the port.

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venereology answered 2 years ago

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