EN 300 121 : 1.2.1
Current
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); APPLICATION OF THE ISDN USER PART (ISUP) OF ITU-T SIGNALLING SYSTEM NO. 7 (SS7) FOR INTERNATIONAL ISDN INTERCONNECTIONS (ISUP VERSION 1); AMENDMENT 1: INTERNATIONAL EMERGENCY PREFERENCE SCHEME (IEPS) SERVICE
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Intellectual Property Rights
Foreword
Endorsement notice
Global modifications to ITU-T Amendment 1 to Recommendation Q.767
History
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