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ITU-T Q.932 (05/1998)

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Digital subscriber signalling system No. 1 – Generic procedures for the control of ISDN supplementary services
This Recommendation defines the generic procedures applicable for the control of supplementary services at the user-network interface. These procedures may be used for the invocation and operation of supplementary services in association with existing calls or outside any existing calls. A significant new area addressed by this Recommendation is the support of Virtual Private Networks by means of new optional extensions.
Citation: http://handle.itu.int/11.1002/1000/4377
Approval date: 1998-05-15
Approval process:TAP
Status: In force
Maintenance responsibility: ITU-T Study Group 11
Further details: Patent statement(s)
Ed. ITU-T Recommendation Status Summary Table of Contents Download
3.1 Q.932 (1998) Amd. 1 (06/2000) In force
here
- here
3 Q.932 (05/1998) In force
here
here
here
2 Q.932 (03/1993) Superseded - - here
1 I.452/Q.932 (11/1988) Superseded -
here
here