International Telecommunication Union   ITU
Français  Español
 
Site map Contact us Print version
  Home : ITU-T : Publications : Recommendations : Q Series : Q.522
Recently posted -  Search Recommendations
   
Q.522 : Digital exchange connections, signalling and ancillary functions  

Recommendation Q.522

In force components
Number
 Title Status
Q.522 (11/88)
  		Digital exchange connections, signalling and ancillary functions  
Replaces Q.503 (1984) and Q.513 (1984) 		In force

 

Top -  Feedback -  Contact us -  Copyright © ITU 2008 All Rights Reserved
Contact for this page :  ITU-T Publications
Updated : 2006/08/01