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ETSI EN 300 650

Integrated Services Digital Network (ISDN); Message Waiting Indication (MWI) supplementary service; Service description
standard by European Telecommunications Standards Institute, 05/01/2001
Publisher: ETSI

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To update the ETS 300 650 on MWI supplemenatry service (ISDN). Clarification of clause 6.1 and related elements.

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