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Q.931

ITU-T Recommendation Q.931 is the ITU standard ISDN connection control signalling protocol, forming part of Digital Subscriber Signalling System No. 1. Unlike connectionless systems like UDP, ISDN is connection oriented and uses explicit signalling to manage call state: Q.931. Q.931 typically does not carry user data. Q.931 does not have a direct…

Art & Standards

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Latest version
(05/98) May 1998
Organization
ITU-T
Related standards
H.323
Status
In force
Year started
1988

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Overview

Q.2931

Advanced semantic analysis

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Map overview Semantic statistics

Q.931

Nodes30
Edges29
Triples19
Avg. degree1.93
Density0.066667
Components1

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Q.931

Top relations

related to Q.2931 · 7
Q.931 → ATM, BISDN, BISDN/ATM, In, ISDN, Unlike, Whilst ISDN
Latest version · 1
Q.931 → (05/98) May 1998
Organization · 1
Q.931 → ITU-T
Related standards · 1
Q.931 → H.323
Status · 1
Q.931 → In force
Website · 1
Q.931 → https://www.itu.int/rec/T-REC-Q.931
Year started · 1
Q.931 → 1988
is a · 1
Q.931 → ITU standard ISDN connection control signalling protocol

Important terminology Word statistics

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Important terminology

931 isdn call protocol connection control setup atm release 2931 message connections signalling bandwidth itu-t part systems like state stack

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Q.931Latest version(05/98) May 19981.00infobox
Q.931OrganizationITU-T1.00infobox
Q.931Related standardsH.3231.00infobox
Q.931StatusIn force1.00infobox
Q.931Websitehttps://www.itu.int/rec/T-REC-Q.9311.00infobox
Q.931Year started19881.00infobox
Q.931is aITU standard ISDN connection control signalling protocol0.90text
peakinstance ofallowing precise specification of virtual circuit traffic parameters0.80text
mean bandwidthinstance ofallowing precise specification of virtual circuit traffic parameters0.80text
jitterinstance ofallowing precise specification of virtual circuit traffic parameters0.80text
cell loss ratioinstance ofallowing precise specification of virtual circuit traffic parameters0.80text
so oninstance ofallowing precise specification of virtual circuit traffic parameters0.80text

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    Min side: 3
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