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I.121 : Broadband aspects of ISDN

Recommendation I.121

In force components
Number
Title Status
I.121 (04/91)
 
Broadband aspects of ISDN   In force
 
 
Superseded and Withdrawn components
Number
Title Status
I.121 (11/88)
 
Broadband aspects of ISDN   Superseded

 

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Updated : 2008/04/14