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F.471 : Operational requirements for the interconnection of voice-mail store-and-forward units

Recommendation F.471

In force components
Number
Title Status
F.471 (08/97)
 
Operational requirements for the interconnection of voice-mail store-and-forward units   In force
F.471 (1997) Corrigendum 1 (09/98)
 
  In force

 

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Updated : 2006/02/27