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P.53 : Psophometer for use on telephone-type circuits

Recommendation P.53

This Recommendation is published under alias number O.41

In force components
Number
Title Status
P.53 (10/94)
 
Psophometer for use on telephone-type circuits  
This Recommendation is published under alias number O.41
In force
 
 
Superseded and Withdrawn components
Number
Title Status
O.41/P.53 (11/88)
 
Psophometer for use on telephone-type circuits  
This Recommendation is also included but not published in P series under alias number P.53
Superseded
O.41/P.53 (03/93)
 
Psophometer for use on telephone-type circuits  
This Recommendation is also included but not published in P series under alias number P.53
Superseded

 

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Updated : 2010/08/18