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ITU-T Q.2931

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ITU-T Q.2931

Digital Subscriber Signalling System No. 2 - User-Network Interface (UNI) layer 3 specification for basic call/connection control

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This Recommendation specifies the procedures for the establishing, maintaining and clearing of network connections at the B-ISDN user network interface. The procedures are defined in terms of messages exchanged. This Recommendation is intended to specify the essential features, procedures and messages required for call/connection control. However, there are some details of procedure which have not yet been specified, and which will be subject to further study.

Author ITU
Editor ITU
Document type Standard
Format File
ICS 33.080 : Integrated Services Digital Network (ISDN)
Number of pages 248
Cross references DIN EN 300443-1 (2000-10), MOD
Modified by ITU-T Q.2931 AMD 5 (2006-01)
ITU-T Q.2931 AMD 4 (1999-12)
ITU-T Q.2931 AMD 2 (1999-03)
ITU-T Q.2931 AMD 3 (1999-03)
ITU-T Q.2931 AMD 1 (1997-06)
Year 1990
Document history
Country International
Keyword CCITT Q.2931;ITU-T 2931;2931;ITU-T Q.2931