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

Recommendation Q.643

In force components
Number
Title Status
Q.643 (11/88)
 
Logic procedures for interworking of signalling system No. 5 to No. 7 (TUP)   In force

 

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Updated : 2014-05-15