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  Home : ITU-T : Publications : Recommendations : Q Series : Q.30 : Q.30 (11/88)
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Q.30 : Improving the reliability of contacts in speech circuits

Recommendation Q.30 (11/88)

Approved in 1988-11

Status : In force


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PDF Document PDF (acrobat)

48074 bytes 1990-05-29 E 15226 
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PDF Document PDF (acrobat)

53473 bytes 1990-05-29 S 15226 
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PDF Document PDF (acrobat)

54063 bytes 1990-05-29 F 15226 

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Word Document Word

31838 bytes 1990-05-29 E 15226  Download Download
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Word Document Word

42978 bytes 1990-05-29 S 15226  Download Download
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Word Document Word

41199 bytes 1990-05-29 F 15226  Download Download

 

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Updated : 2001/09/10