Download e-book for iPad: Handbook on session initiation protocol : networked by Radhika Ranjan Roy

By Radhika Ranjan Roy

ISBN-10: 1498747701

ISBN-13: 9781498747707

ISBN-10: 149874771X

ISBN-13: 9781498747714

Session Initiation Protocol (SIP), standardized by means of the web Engineering activity strength (IETF), has emulated the simplicity of the protocol structure of hypertext move protocol (HTTP) and is being popularized for VoIP over the net as a result ease with which it may be meshed with internet prone. notwithstanding, it really is tough to grasp precisely what number requests for reviews (RFCs) were released during the last 20 years with regard to SIP or how these RFCs are interrelated.

Handbook on consultation Initiation Protocol: Networked Multimedia Communications for IP Telephony

solves that challenge. it's the first booklet to place jointly all SIP-related RFCs, with their crucial and non-compulsory texts, in a chronological and systematic approach in order that it may be used as a unmarried super-SIP RFC with a nearly one-to-one integrity from starting to finish, permitting you to determine the large photo of SIP for the elemental SIP functionalities. it's a booklet that community designers, software program builders, product brands, implementers, interoperability testers, pros, professors, and researchers will locate to be very useful.

The textual content of every RFC from the IETF has been reviewed via all contributors of a given operating crew made of world-renowned specialists, and a coarse consensus made on which components of the drafts must be vital and not obligatory, together with even if an RFC should be criteria song, Informational, or Experimental. Texts, ABNF syntaxes, figures, tables, and references are integrated of their unique shape. All RFCs, besides their authors, are supplied as references. The ebook is prepared into twenty chapters in response to the main functionalities, good points, and services of SIP.

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Extra info for Handbook on session initiation protocol : networked multimedia communications for IP telephony

Example text

Failed call A call that does not reach a desired callee, from the caller’s point of view. Note that a failed call may be successful from the SIP point of view, for example, if the call reached the callee’s voice mail but the caller desired to speak to the callee in real time, the INVITE receives a 200 response, but the caller considers the call to have failed (RFC 6910: Standards Track). Feature preferences Caller preferences that describe desired properties of a UA to which the request is to be routed.

1 Introduction The Session Initiation Protocol (SIP) is a signaling protocol to set up, modify, and tear down networked multimedia sessions consisting of audio, video, or data applications. The International Engineering Task Force’s (IETF) Request for Comment (RFC) 3261 is the first stable specification that defines SIP in a comprehensive manner. However, RFC 3261 obsoleted the initial SIP RFC 2543 soon after its publication. Eventually, many other RFCs have been published, extending the base capabilities of SIP described in RFC 3261 to meet the requirements of the complexities of network-based multimedia session ranging from point-to-point to multipoint calls, including media (audio, video, or data) bridging and feature-rich application sharing in real time.

The first edge proxy refers to the first edge proxy encountered when a UA sends a request (RFC 5626: Standards Track). Event hard state The steady-state or default event state of a resource, which the ESC may use in the absence of, or in addition to, soft-state publications (RFC 3903: Standards Track). Event package An additional specification that defines a set of state information to be reported by a notifier to a subscriber. Event packages also define further syntax and semantics that are based on the framework defined by this document and are required to convey such state information (RFC 6665: Standards Track).

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Handbook on session initiation protocol : networked multimedia communications for IP telephony by Radhika Ranjan Roy

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