![]() |
![]() |
|
|||||||||||
Home : ITU-T : Publications : Recommendations : E Series : E.420 : E.420 (11/88) | Recently posted - Search Recommendations | ||||||||||||
E.420 : Checking the quality of the international telephone service - General considerations | |||||||||||||
|
Top -
Feedback -
Contact us -
Copyright © ITU 2008 All Rights Reserved Contact for this page : ITU-T Publications Updated : 2001/09/10 |