International Telecommunication Union   ITU
Français  Español
 
Site map Contact us Print version
  Home : ITU-T : Publications : Recommendations : Q Series : Q.22
Recently posted -  Search Recommendations
   
Q.22 : Frequencies to be used for in-band signalling  

Recommendation Q.22

In force components
Number
 Title Status
Q.22 (11/88)
  		Frequencies to be used for in-band signalling   In force

 

Top -  Feedback -  Contact us -  Copyright © ITU 2008 All Rights Reserved
Contact for this page :  ITU-T Publications
Updated : 2003/02/10