International Telecommunication Union � ITU
Fran�ais� Espa�ol
�
Site map Contact us Print version
� Home : ITU-T : Publications : Recommendations : Q�Series : Q.544
Recently posted�-� Search Recommendations
� �
Q.544�:�Digital exchange measurements �

Recommendation Q.544

In force components
Number
 Title Status
Q.544 (11/88)
� 		Digital exchange measurements �
Replaces Q.505 (1984) and Q.515 (1984) 		In force

�

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