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X.81 : Interworking between an ISDN circuit-switched and a circuit-switched public data network (CSPDN)

Recommendation X.81

In force components
Number
Title Status
X.81 (11/88)
 
Interworking between an ISDN circuit-switched and a circuit-switched public data network (CSPDN)   In force

 

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Updated : 2003/02/10