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Session Initiation Protocol

The Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, modifying, and terminating communication sessions that involve multimedia elements such as voice, video, and messaging. It operates at the application layer of the Internet protocol suite and is widely used in Internet telephony, private IP-based telephone syst…

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Abbreviation
SIP
Introduction
March 1999; 27 years ago (1999-03)
OSI layer
Application layer (Layer 7)
Ports
5060, 5061
Purpose
Internet telephony

Topics to explore

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Overview

History

Protocol operation

Network elements

SIP messages

Instant messaging and presence

Conformance testing

Performance testing

Applications

Implementations

SIP-ISUP interworking

Encryption

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Map overview Semantic statistics

Session Initiation Protocol

Nodes108
Edges107
Triples36
Avg. degree1.98
Density0.018519
Components1

How this topic connects Entity context

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Session Initiation Protocol

Top relations

related to SIP-ISUP interworking · 9
Session Initiation Protocol → IETF, IP, ISUP, ITU-T, Services, SIP, SIP-I, SIP-T, This
related to Network elements · 8
Session Initiation Protocol → Each, However, SIP, The, Thus, UA, UAC, UAS
related to Instant messaging and presence · 7
Session Initiation Protocol → Instant Messaging, Message Session Relay Protocol, MSRP, Presence Leveraging Extensions, SIMPLE, SIP-based, The Session Initiation Protocol
Abbreviation · 1
Session Initiation Protocol → SIP
Introduction · 1
Session Initiation Protocol → March 1999; 27 years ago (1999-03)
OSI layer · 1
Session Initiation Protocol → Application layer (Layer 7)
Ports · 1
Session Initiation Protocol → 5060, 5061
Purpose · 1
Session Initiation Protocol → Internet telephony
RFCs · 1
Session Initiation Protocol → .mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:r…

Important terminology Word statistics

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Important terminology

sip protocol user server session used network call media agent may messages request communication elements requests internet ip transport layer

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Session Initiation ProtocolAbbreviationSIP1.00infobox
Session Initiation ProtocolIntroductionMarch 1999; 27 years ago (1999-03)1.00infobox
Session Initiation ProtocolOSI layerApplication layer (Layer 7)1.00infobox
Session Initiation ProtocolPorts5060, 50611.00infobox
Session Initiation ProtocolPurposeInternet telephony1.00infobox
Session Initiation ProtocolRFCs.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:r…1.00infobox
voiceinstance ofand terminating communication sessions that involve multimedia elements0.80text
videoinstance ofand terminating communication sessions that involve multimedia elements0.80text
and messaginginstance ofand terminating communication sessions that involve multimedia elements0.80text
smartphones.In SIPinstance ofthe distinction between hardware-based and software-based SIP phones is blurred and SIP elements are implemented in the basic firmware functions of many IP-capable communication…0.80text
as in HTTPinstance ofthe distinction between hardware-based and software-based SIP phones is blurred and SIP elements are implemented in the basic firmware functions of many IP-capable communication…0.80text
the user agent may identify itself using a message header fieldinstance ofthe distinction between hardware-based and software-based SIP phones is blurred and SIP elements are implemented in the basic firmware functions of many IP-capable communication…0.80text

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