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X.440 : Message handling systems: Voice messaging system  

Recommendation X.440

In force components
Number
 Title Status
X.440 (06/99)
  		Message handling systems: Voice messaging system   In force
 
 
Superseded and Withdrawn components
Number
 Title Status
X.440 (09/92)
  		Message handling systems: Voice messaging system   Superseded
X.440 (1992) Amendment 1 (11/95)
  		Annex H: Mapping of G.721 (1988) and G.728 (1992) into the data component of a voice body part   Superseded

 

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Updated : 2006/09/29