1.

Record Nr.

UNINA9910455893203321

Autore

Johnston Alan B.

Titolo

SIP : understanding the Session Initiation Protocol / / Alan B. Johnston

Pubbl/distr/stampa

Boston : , : Artech House, , ©2004

[Piscataqay, New Jersey] : , : IEEE Xplore, , [2003]

ISBN

1-58053-656-5

Edizione

[2nd ed.]

Descrizione fisica

1 online resource (307 p.)

Collana

Artech House telecommunications library

Disciplina

620.50289

Soggetti

Computer network protocols

Instant messaging - Computer programs

Internet telephony - Computer programs

Multimedia systems - Computer programs

Electronic books.

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

SIP 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

Sommario/riassunto

This 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.