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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 supplementary service use within Centrex and PBX environments
STANDARD published on 31.10.1996
Designation standards: ETSI ETR 261-6-ed.1
Publication date standards: 31.10.1996
SKU: NS-311828
The number of pages: 70
Approximate weight : 210 g (0.46 lbs)
Country: European technical standard
Category: Technical standards ETSI
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Latest update: 2024-10-21 (Number of items: 2 205 614)
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