Make and answer phone calls

Detect tone and pulse digit from the phone line

Capture Caller ID

Support blind transfer, single-step transfer/conference, consultation transfer/conference, hold, unhold.

Control of the local phone handset, microphone and speaker of the modem

Send and receive faxes

Play and record on the phone line or sound card

Play music in background mode

Silence detection

VU Meter

Wave sound editor that allows your end-users to edit their own sound files.

Voice recognition and voice synthesis.

Full control over the serial port device

ZModem file transfer utility

File compression and encryption utility