The present document contains the full specification of the speech codecs for use in the Terrestrial Trunked Radio (TETRA) system.The TETRA codec specified in clauses 4 to 8 is mandatory for all TETRA mobiles and networks. The AMR codec specified in clauses 9 to 12 is optional. If the AMR codec is implemented, the equipment shall conform to the whole of clause 9 to 12.
DS/EN 300395-2 V1.3.1:2005 history
2005DS/EN 300395-2 V1.3.1:2005 Terrestrial Trunked Radio (TETRA); Speech codec for full-rate traffic channel; Part 2: TETRA codec