Sunday, 21 August 2005

If I had a dime for every time I had to explain what SIP is... Well, let's just say I'd be okay hanging out at Starbucks for a week or two anyhow... It's one of the least-understood and most-misused acronyms around technology shops these days. I certainly don't mind explaining it to people, but it can get a little complicated. Having a good fundamental understanding of Session Initiation Protocol is critical in the growing world of connected, collaborative applications. It's the protocol where the telephony people finally meet the application and data network people.

Over the past couple of years, SIP has become an underlying part of a number of different networked applications, and many people (most?) don't realize that. You'll find it in IP phones, voice terminal adapters, integrated into instant messaging systems, and all kinds of other places. I think it would be somewhat safe to say (loosely) that SIP is to IP voice communication as TCP is to IP networking. If that's not a good analogy, someone tell me a better one.

Anyhow, I decided it might be best to find a useful link to point people to. RMFB, if you will.

So here it is... Over on the VOIP Now blog there's a great explanation of what SIP is and what it means to computing, users, and technology pros:

SIP 101 - Session Initiation Protocol Explained

Session Initiation Protocol or SIP refers specifically to a language that various computers can communicate to one another in so that they can complete voice calls. It has become vitally important in recent years as it plays a central role in VoIP or Voice Over Internet Protocol. VoIP Is the rapidly growing technology which has millions of Americans throwing out their local and long-distance telephone bills and replacing them with free calls made over the Internet.

While Session Initiation Protocol sounds like technobabble, it helps if you can imagine SIP as the common language that new generation operators use to complete calls over the Internet. With SIP, however, the operators are no longer hundreds of people in a room...

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Sunday, 21 August 2005 05:43:05 (Pacific Standard Time, UTC-08:00)
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