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  Home : ITU-T : Publications : Recommendations : E Series : E.543 : E.543 (11/88)
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E.543 : Grades of service in digital international telephone exchanges

Recommendation E.543 (11/88)

Approved in 1988-11

Status : In force


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English

PDF Document PDF (acrobat)

61994 bytes 1989-01-31 E 14870 
Español

PDF Document PDF (acrobat)

69458 bytes 1989-01-31 S 14870 
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PDF Document PDF (acrobat)

71379 bytes 1989-01-31 F 14870 

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English

Word Document Word

46330 bytes 1989-01-31 E 14870  Download Download
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Word Document Word

59354 bytes 1989-01-31 S 14870  Download Download
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Word Document Word

59104 bytes 1989-01-31 F 14870  Download Download

 

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Updated : 2001/09/10