International Telecommunication Union   ITU
Français  Español
 
Site map Contact us Print version
  Home : ITU-T : Publications : Recommendations : I Series : I.253.1
Recently posted -  Search Recommendations
   
I.253.1 : Call completion supplementary services : Call waiting (CW) supplementary service  

Recommendation I.253.1

In force components
Number
 Title Status
I.253.1 (07/90)
  		Call completion supplementary services : Call waiting (CW) supplementary service   In force
 
 
Superseded and Withdrawn components
Number
 Title Status
I.253.1 (11/88)
  		Call completion supplementary services : Call waiting   Superseded

 

Top -  Feedback -  Contact us -  Copyright © ITU 2008 All Rights Reserved
Contact for this page :  ITU-T Publications
Updated : 2018-10-09