Radio Equipment and Systems (RES); Trans-European Trunked Radio (TETRA); Speech Codec for Full-Rate Traffic Channel; Part 3: Specific Operating Features
This ETS describes all the functions associated with the TETRA speech codec@ excepted the specification of the codec by itself which is entirely defined in ETS 300 395-2 [2]. Clause 4 of this ETS provides a description of the functions associated with the speech encoder@ while clause 5 is its counterpart for the speech decoder. Clause 6 describes the contents and the format of the signalling data block included in a stolen frame when used for transferring information relevant to the codec in a U-plane signalling message. In addition@ annex A (informative) provides indications and preferred solutions for the implementation of optional features.