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P.561 : In-service non-intrusive measurement device - Voice service measurements  

Recommendation P.561

In force components
Number
 Title Status
P.561 (07/02)
  		In-service non-intrusive measurement device - Voice service measurements   In force
P.561 Appendix III (02/98)
  		Digital speech recordings  
This Appendix includes one CD-ROM containing digital speech recordings for INMD devices testing. 		In force
 
 
Superseded and Withdrawn components
Number
 Title Status
P.561 (02/96)
  		In-service non-intrusive measurement device - Voice service measurements   Superseded

 

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Updated : 2023-03-09