btt - Decypher BTT Decipher provides A5/2 Decryption Algorithm. The over-the-air privacy of GSM telephone conversations is protected by theA5 stream cipher. A5/2 version is used by 100s of millions...
Dual E1 Digital Logger a - is designed for real time recording and analyzing of 2048 kbit/s streams. With logging server, system is capable of recording and analysis of E1, ISDN PRI, R1, GSM t...