Off-topic resources on digital voice radio

Mccauley mccauley at
Fri Aug 19 20:18:01 UTC 2011

Hope some members of this list will find interesting this paper & source

Recent research paper that analyzed the security features of the APCO
Project 25 (P25) digital two-way radio system. P25 radios are widely
deployed in the United States by state, local and federal agencies,
first responders, and other public safety organizations.

Digital Speech decoder an open source software package that decodes
several digital speech formats: P25, ProVoice, NEXEDGE/IDAS and MOTOTRBO
(Based on ETSI DMR Standard of especial interested for those of us in
Europe given is strongly promoted as a cheap alternative to TETRA).

Also worth to mention that supporting mbelib implement IMBE/AMBE Codec.

More information about the tetra mailing list