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Internet Phone Services Simplified by Neil Anderson, Jim Doherty

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Chapter 15. VoIP Chat Services

This chapter takes a look at VoIP chat services, which provide the same basic function as Internet telephony but are different in the way they operate.

In Chapter 1, “Traditional Phone Systems,” we spent some time discussing the public switched telephone network (PSTN) as the foundation or starting parting point of VoIP. In this chapter, we discuss the foundation of VoIP chat services, which has nothing to do with telephony; rather, it’s instant messaging (IM). Bet you didn’t see that coming!

Instant Messaging

For those of you who don’t have the “bug” yet, instant messaging is a chat service that allows you to create a two-person (or multiperson) “chat room” for real-time communication. Most of the standard instant ...

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