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Q.643 : Logic procedures for interworking of signalling system No. 5 to No. 7 (TUP)

Recommendation Q.643 (11/88)

Approved in 1988-11

Status : In force


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PDF Document PDF (acrobat)

106144 bytes 1989-09-28 E 12645 
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PDF Document PDF (acrobat)

153449 bytes 1989-09-28 S 12645 
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PDF Document PDF (acrobat)

115860 bytes 1989-09-28 F 12645 

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Updated : 2001/09/10