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181   $ctxt
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200 10$aSIP $eunderstanding the Session Initiation Protocol /$fAlan B. Johnston
205   $a2nd ed.
210  1$aBoston :$cArtech House,$dİ2004.
210  2$a[Piscataqay, New Jersey] :$cIEEE Xplore,$d[2003]
215   $a1 online resource (307 p.)
225 1 $aArtech House telecommunications library
300   $aDescription based upon print version of record.
311   $a1-58053-655-7 
320   $aIncludes bibliographical references and index.
327   $aSIP Understanding the Session Initiation Protocol Second Edition; Contents vii; Foreword to the First Edition xvii; Preface to the Second Edition xix; Preface to the First Edition xxi; 1 SIP and the Internet 1; 2 Introduction to SIP 17; 3 SIP Clients and Servers 43; 4 SIP Request Messages 71; 5 SIP Response Messages 107; 6 SIP Header Fields 127; 7 Related Protocols 163; 8 Comparison to H.323 181; 9 Wireless and 3GPP 193; 10 Call Flow Examples 207; 11 Future Directions 261; Appendix A: Changes in the SIP Specification from RFC 2543 to RFC 3261 267; About the Author 271; Index 273
330 3 $aThis newly revised edition of the ground-breaking Artech House bestseller, SIP: Understanding the Session Initiation Protocol gives you a thorough and up-to-date understanding of this revolutionary protocol for call signaling and IP Telephony. The second edition includes brand new discussions on the use of SIP for wireless multimedia communications. It explains how SIP is powerful "rendezvous" protocol that leverages mobility and presence to allow users to communicate using different devices, modes, and services anywhere they are connected to the Internet You learn why SIP has been chosen by the 3GPP (3rd Generation Partnership Program for wireless cell phones) as the core signaling, presence, and instant messaging protocol.$cPublisher abstract.
410  0$aArtech House telecommunications library.
606   $aComputer network protocols
606   $aInstant messaging$xComputer programs
606   $aInternet telephony$xComputer programs
606   $aMultimedia systems$xComputer programs
615  0$aComputer network protocols.
615  0$aInstant messaging$xComputer programs.
615  0$aInternet telephony$xComputer programs.
615  0$aMultimedia systems$xComputer programs.
676   $a620.50289
700   $aJohnston$b Alan B.$0523308
801  0$bCaBNVSL
801  1$bCaBNVSL
801  2$bCaBNVSL
906   $aBOOK
912   $a9910821984203321
996   $aSIP$91222864
997   $aUNINA