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ETSI TR 103 414
M00001420
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ETSI TR 103 414 TETRA and Critical Communications Evolution (TCCE); Study into the provision of speech services over QAM channels
standard by European Telecommunications Standards Institute, 09/01/2016
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ETSI TR 103 414 contains the results of a study into the extension of QAM channels in TETRA to carry speech ina native manner. The areas where change can be foreseen to the TETRA standard [i.1] to date in order to add thisfunctionality are described at a high level.NOTE: The present document is not sufficient to enable change requests to be generated against [i.1], and furtherstandardization work would be needed to arrive at a solution. A standardized solution could differ fromthe concepts presented in the present document.
The main body of the present document describes the requirements that are satisfied and the mechanisms envisagedwithin this study that could fulfil this extension of TETRA. Annex A presents some possible modifications which couldbe needed for PDUs and information elements specified in [i.1] and Annex B refers to [i.1] on a clause by clause basisto indicate which clauses could require changes in order to implement these mechanisms.