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  Home : ITU-T : Publications : Recommendations : I Series : I.253.1 : I.253.1 (07/90)
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I.253.1 : Call completion supplementary services : Call waiting (CW) supplementary service

Recommendation I.253.1 (07/90)

Approved in 1990-07

Status : In force


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Format Size Posted Article Number
English

PDF Document PDF (acrobat)

154483 bytes 2009-03-06 E 1896 
Español

PDF Document PDF (acrobat)

165931 bytes 2009-03-06 S 1897 
Français

PDF Document PDF (acrobat)

169234 bytes 2009-03-06 F 1895 

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Format Size Posted Article Number TIES users Subscribers /or ADD to CART
English

Word Document Word

210944 bytes 2009-03-06 E 1896  Download Download
Español

Word Document Word

192822 bytes 2009-03-06 S 1897  Download Download
Français

Word Document Word

191310 bytes 2009-03-06 F 1895  Download Download

 

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Updated : 2011.03.14