International Telecommunication Union   ITU
Français  Español
 
Site map Contact us Print version
  Home : ITU-T : Publications : Recommendations : Q Series : Q.761
Recently posted -  Search Recommendations -  Shopping cart
   
Q.761 : Signalling System No. 7 - ISDN User Part functional description

Recommendation Q.761

In force components
Number
Title Status
Q.761 (12/99)
 
Signalling System No. 7 - ISDN User Part functional description   In force
Q.761 (1999) Amendment 1 (07/01)
 
 
In force
Q.761 (1999) Amendment 2 (12/02)
 
Support for the International Emergency Preference Scheme  
In force
Q.761 (1999) Amendment 3 (01/06)
 
Support for the International Emergency Preference Scheme  
In force
Q.761 (1999) Amendment 4 (10/09)
 
Support for the customized alerting tone (CAT) service   In force
 
 
Superseded and Withdrawn components
Number
Title Status
Q.761 (11/88)
 
Specifications of Signalling System No. 7 - Functional description of the ISDN user part of Signalling System No. 7   Superseded
Q.761 (03/93)
 
Functional description of the ISDN user part of Signalling System No. 7   Superseded
Q.761 (09/97)
 
Signalling System No. 7 - ISDN User Part functional description   Superseded
Q.761 Addendum 1 (05/98)
 
  Superseded

 

Top -  Feedback -  Contact us -  Copyright © ITU 2008 All Rights Reserved
Contact for this page :  ITU-T Publications
Updated : 2014-05-15