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  Home : ITU-T : Publications : Recommendations : Q Series : Q.81.1
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Q.81.1 : Stage 2 description for number identification supplementary services : Direct dialling-in

Recommendation Q.81.1

In force components
Number
Title Status
Q.81.1 (11/88)
 
Stage 2 description for number identification supplementary services : Direct dialling-in   In force

 

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Updated : 2011.03.14