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ETSI ETR 261-6
- Human Factors (HF); Assessment and definition of a harmonized minimum man-machine interface (MMI) for accessing and controlling public network based supplementary services; Part 6: Survey of existing PSTN, ISDN and mobile networks, and a user survey of su
- standard by European Telecommunications Standards Institute, 10/01/1996
- Publisher: ETSI
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To publish the summarized results of the phase 1 study and experimental trials together with the results of the experiment evaluation of the draft ETS. A multipart ETR is planned with seven separate parts