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Edition 2004-12-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: supplementary services stage 2 - Sub-part 16 : Pre-emptive Priority Call (PPC) (V1.2.1)
Edition 2005-06-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: supplementary services stage 1 - Sub-part 16 : pre-emptive Priority Call (PPC) (V1.3.1)
Edition 2006-12-01

Standard Guide for Prioritization of Data Needs for Pavement Management
Edition 2009

Information technology - MPEG systems technologies - Part 14: Partial file format - Amendment 1: Support for HTTP entities, enhanced file type and byte-range priorities
Edition 2021-10

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Specification, functional model and information flows; Call Priority Interruption and Call Priority Interruption Protection supplementary services
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Inter-exchange signalling protocol; Call Priority Interruption and Call Priority Interruption Protection supplementary services
Edition 2003-04

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Edition 2017-10

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Edition 2017-10