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E.180 : Technical characteristics of tones for the telephone service

Recommendation E.180

This Recommendation is published with the double number E.180 and Q.35
In force components
Number
 Title Status
E.180/Q.35 (03/98)
  		Technical characteristics of tones for the telephone service  
This Recommendation is published with the double number E.180 and Q.35 		In force
 
 
Superseded and Withdrawn components
Number
 Title Status
E.180/Q.35 (11/88)
  		Technical characteristics of tones for the telephone service  
This Recommendation is also published under the alias number Q.35 		Superseded

 

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Updated : 2010/03/28