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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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