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  Home : ITU-T : Publications : Recommendations : I Series : I.253.3
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I.253.3 : Call completion supplementary services : Completion of calls to busy subscribers

Recommendation I.253.3

In force components
Number
 Title Status
I.253.3 (07/96)
  		Call completion supplementary services : Completion of calls to busy subscribers   In force

 

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Updated : 2006.09.27