ETSI EN 300 392-11-12

ETSI EN 300 392-11-12
ETSI EN 300 392-11-12 English PDF Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 11: Supplementary services stage 2; Sub-part 12: Call Hold (CH)

standard published 01/01/2001 by European Telecommunications Standards Institute

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To define the Stage 2 requirements for TETRA SS Call Hold

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