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  Home : ITU-T : Publications : Recommendations : U Series : U.3 : U.3 (11/88)
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U.3 : Arrangements in switching equipment to minimize the effects of false calling signals  

Recommendation U.3 (11/88)

Approved in 1988-11-25

Status : In force


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PDF Document PDF (acrobat)

47953 bytes 1990-04-19 E 15362 
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PDF Document PDF (acrobat)

54268 bytes 1990-04-19 S 15362 
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PDF Document PDF (acrobat)

54357 bytes 1990-04-19 F 15362 

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Word Document Word

32093 bytes 1990-04-19 E 15362  Download
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Word Document Word

43317 bytes 1990-04-19 S 15362  Download
Français

Word Document Word

41701 bytes 1990-04-19 F 15362  Download

 

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Updated : 2001/09/10