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  Home : ITU-T : Publications : Recommendations : Q Series : Q.931 : Q.931 (05/98)
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Q.931 : ISDN user-network interface layer 3 specification for basic call control

Recommendation Q.931 (05/98)

Approved in 1998-05-15

Status : In force

 

Table of Contents

 

Summary

This Recommendation is also included but not published in I series under alias number I.451


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