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Q.731.1 : Stage 3 description for number identification supplementary services using Signalling System No. 7 : Direct-dialling-in (DDI)

Recommendation Q.731.1

In force components
Number
Title Status
Q.731.1 (07/96)
 
Stage 3 description for number identification supplementary services using Signalling System No. 7 : Direct-dialling-in (DDI)   In force
 
 
Superseded and Withdrawn components
Number
Title Status
Q.731.1 (02/92)
 
Stage 3 description for number identification supplementary services using Signalling System No. 7 : Direct-dialling-in (DDI)  
Published with ITU-T Q.731.8
Superseded

 

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Updated : 2011.03.14