This European Telecommunication Standard (ETS) provides the Implementation Conformance Statement (ICS) proformas for the advanced Dual Tone Multi Frequency (DTMF) device and the Authenticating Entity (AE) specified in ETS 300 391-1 [1]. These components relate to the authentication procedures of UPT phase 1. They are the most relevant components for interoperability and the overall security. This ETS allows either the service provider of a UPT system to formulate the requirements on these implementations or to decide whether an implementation meets these requirements. It details the in tabular form mandatory and optional functions for these implementations.
IN_DEVELOPMENT
prSSH ETS 300 391-2:1995 ed.1
40.60
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May 11, 2026