International Telecommunication Union   ITU
Français  Español
 
Site map Contact us Print version
  Home : ITU-T : Publications : Recommendations : Q Series : Q.400SerSup4
Recently posted -  Search Recommendations
   
Q.400SerSup4 : In-band line signalling for 3 kHz spaced channels

Recommendation Q.400SerSup4

Superseded and Withdrawn components
Number
Title Status
Q.400SerSup4 (11/88)
 
In-band line signalling for 3 kHz spaced channels   Superseded

 

Top -  Feedback -  Contact us -  Copyright © ITU 2008 All Rights Reserved
Contact for this page :  ITU-T Publications
Updated : 2011.05.27