1999ETSI ETS 300 394-5-2-1999 Terrestrail Trunked Radio (TETRA); Conformance Testing Specification; Part 5: Security; Sub-Part 2: Protocol Testing Specification for TETRA Security
1998ETSI PRETS 300 394-5-2-1998 Terrestrial Trunked Radio (TETRA); Conformance Testing Specification; Part 5: Security; Sub-Part 2: Protocol Testing Specification for TETRA Security
ETSI PRETS 300 394-5-2-1999 Terrestrial Trunked Radio (TETRA); Conformance Testing Specification; Part 5: Security; Sub-Part 2: Protocol Testing Specification for TETRA Security was changed to ETSI ETS 300 394-5-2-1999 Terrestrail Trunked Radio (TETRA); Conformance Testing Specification; Part 5: Security; Sub-Part 2: Protocol Testing Specification for TETRA Security.