IVM Telephone Answering Attendant 

IVM is a telephone answering machine, voice mail, call attendant and interactive voice response (ivr) program for Windows computers with voice modems or professional telephony line devices.
answering machine telephone answering software phone attendant voice mail computer answering machine telephone answering answer call caller pc answer machine attendant anrufbeantworter call attendant

ActiveComport Serial Port Toolkit 

Serial port toolkit to enable applications or scripts to communicate with a modem or other serial port device. Features full com port control, binary and ASCII data transfer, support for RS 232 and RS 485 standards and ISDN modem support.
serial port serial port modem com comport com port asynchronous rs-232 rs-485 script scripts tool