ITU-T Q.931
ISDN user-network interface layer 3 specification for basic call control SERIES Q: SWITCHING AND SIGNALLING Digital subscriber Signalling System No. 1 – Network layer
active, Most Current
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| Organization: | ITU-T |
| Publication Date: | 1 December 2002 |
| Status: | active |
| Page Count: | 26 |
Document History
December 1, 2023
(Pre-Published) ISDN user-network interface layer 3 specification for basic call control Amendment 2 – Extensions for the support for the calling line identification authentication
The amendment was produced to meet the need for the implementation of the calling line identification authentication. This amendment contains the modifications to Recommendation ITU-T Q.931 (1999) in...
February 14, 2003
ISDN user-network interface layer 3 specification for basic call control
Scope of this Recommendation
The procedures currently described in this Recommendation are for the control of circuit-switched connections, user-to-user signalling connections and packet-switched...
ITU-T Q.931
December 1, 2002
ISDN user-network interface layer 3 specification for basic call control SERIES Q: SWITCHING AND SIGNALLING Digital subscriber Signalling System No. 1 – Network layer
A description is not available for this item.
May 1, 1998
ISDN user-network interface layer 3 specification for basic call control
Scope of this Recommendation
The procedures currently described in this Recommendation are for the control of circuit-switched connections, user-to-user signalling connections and packet-switched...
January 1, 1993
Digital Subscriber Signalling System No. 1 (DSS 1) - ISDN User-Network Interface Layer 3 Specification for Basic Call Control - Digital Subscriber Signalling System No. 1 Network Layer
A description is not available for this item.
January 1, 1989
ISDN User-Network Interface Layer 3 Specification for Basic Call Control - Digital Subscriber Signalling System No. 1 (DSS 1), Network Layer, User-Network Management
A description is not available for this item.