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Q.681 : Logic procedures for interworking of signalling system R2 to No. 4

Recommendation Q.681 (11/88)

Approved in 1988-11

Status : In force


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English

PDF Document PDF (acrobat)

75415 bytes 1989-09-28 E 12661 
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PDF Document PDF (acrobat)

84195 bytes 1989-09-28 S 12661 
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PDF Document PDF (acrobat)

81985 bytes 1989-09-28 F 12661 

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Word Document Word

978150 bytes 1989-09-28 E 12661  Download Download
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Word Document Word

969545 bytes 1989-09-28 S 12661  Download Download
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Updated : 2001/09/10