Rsearch and write a 3 page paper on the following topics , Ask an Expert

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Research and write a 3 page paper on the following topics:

1. With the emergence of VoIP services do some research and tell us the difference between some of the major VoIP services. There are plenty out there (just do a Google search), but two good ones to start with are Skype and Vonage.

2. Research both legacy and VoIP telecommunications. Determine which one is more secure and why.

3. Research the topic of Presence. Define what it is and how it will be used in the telecommunications model. Provide 3 sources for your ideas.

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