The present document defines the stage 1 service description for phase 2 of the CTM service. Stage 1 is an overall service description, primarily from the service subscriber's and user's point of view, but does not deal with the details of the human interface itself. The present document includes information applicable to network operators and terminal, switch and database manufacturers. The present document specifies the requirements where the service is provided to the CTM user via a telecommunications network that is either the pan-European ISDN or a PSTN as provided by European public telecommunications operators.
Life cycle
NOW
PUBLISHED SSH EN 301 273 V1.1.3:2000 60.60
Standard published Jul 9, 2025
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