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  Home : ITU-T : Publications : Recommendations : I Series : I.251.1 : I.251.1 (08/92)
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I.251.1 : Number identification supplementary services : Direct-dialling-In

Recommendation I.251.1 (08/92)

Approved in 1992-08-04

Status : In force

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Format Size Posted Article Number
English

PDF Document PDF (acrobat)

73627 bytes 1992-10-23 E 2831 
Español

PDF Document PDF (acrobat)

73250 bytes 1992-10-23 S 2866 
Français

PDF Document PDF (acrobat)

72954 bytes 1992-10-23 F 2796 

 

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Updated : 2006.09.27