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3 of 3 people found the following review helpful:
4.0 out of 5 stars mostly for VoIP applications ?, September 15, 2008
This review is from: Session Initiation Protocol (SIP): Controlling Convergent Networks (McGraw-Hill Communication Series) (Hardcover)
The book is not an easy read. Let me say that right up front. In part due to the inherent complexity of SIP. And the fact that when you try to use it in tandem with other protocols and products, the complexity increases.

However if you persevere, it may be worthwhile. SIP's main usage in the marketplace seems to be as one of the enabling underlayers of VoIP. And VoIP is growing strongly, due to the allure of free long distance calls.

Not that you are necessarily restricted to VoIP. Another advantage of the book is its delineation of various other applications that also use SIP.
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Session Initiation Protocol (SIP): Controlling Convergent Networks (McGraw-Hill Communication Series)
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