Making VOIP and IM Accessible

E-mail links embedded in web pages have been around for so long that no one even considers it strange when one is clicked and the user’s e-mail client is launched. It has become so commonplace and ordinary that users don’t even think about it. Voice Over IP (VOIP), and Instant Messaging (IM) can become just as easily accessible from a web application.

The design of simple IM systems and the ability of languages to support their creation has become so well understood that this design problem is now often used as an assignment in programming classes to teach network communication. Because of this, it is easy to implement a simple IM system in PHP applications. The question is not can it be done nor how is it done; ...

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