The World Modem™ Secure is a compact integrated 2400 baud ITU-V.22bis modem featuring World Modem™ compatibility. The modem features a transformer-less DAA meeting global telephone system requirements, no electromechanical components and flexible DSP data pump. The modem supports serial host communications via flexible internal UART. The modem conforms to the industry standard World Modem™ mechanical and interface specifications. In addition to the features it has in common with the other World Modem™ family products, the CC-2401 also supports SIA and other security protocols and has programmable general purpose IO.
All World Modem products are complete modem solutions. No external components are needed to interface to the phone line. Just add a telcom connector and you are on your way. Additional chokes and filters add considerable space and cost.