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  Home : ITU-T : Publications : Recommendations : Q Series : Q.921 : Q.921/I.441 (11/88)
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Q.921 : ISDN user-network interface - Data link layer specification

Recommendation Q.921/I.441 (11/88)

Approved in 1988-11-25

Status : Superseded

 

Table of Contents

This Recommendation is also included but not published in I series under alias number I.441


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