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  Home : ITU-T : Publications : Recommendations : Q Series : Q.Sup7
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Q.Sup7 : Technical Report TRQ.2001: General aspects for the development of unified signalling requirements  

Recommendation Q.Sup7

In force components
Number
 Title Status
Q.Sup7 (03/99)
  		Technical Report TRQ.2001: General aspects for the development of unified signalling requirements   In force
 
 
Superseded and Withdrawn components
Number
 Title Status
Q.Sup7 (12/72)
  		Measurements of impulsive noise in a 4-wire telephone exchange   Withdrawn
Q.Sup7 (11/88)
  		Semi-compelled and non-compelled multifrequency interregister signalling for national satellite applications based on System R2 interregister signalling   Withdrawn

 

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