Manufacturer of Automatic Numeric Identification (ANI) products as well as High Level Encryption products. ANI encoders and decoders using APCO P25, MDC-1200, Fleetsync, GE-Star and DTMF formats are ...

While many of us have banished land line telephones from our houses, there are still quite a few people who utilize POTS lines today. These analog phone systems use Dual Tone Multi Frequency (DTMF) ...