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Q.500 : Digital local, combined, transit and international exchanges - Introduction and field of application

Recommendation Q.500

In force components
Number
 Title Status
Q.500 (11/88)
  		Digital local, combined, transit and international exchanges - Introduction and field of application  
Replaces Q.501 (1984) and Q.511 (1984) 		In force

 

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Updated : 2006/08/01