ISDN General Telephony OCX - Version 1.0.8 Check homepage for newest version! OCX features: complete CAPI interfacing source code for VisualBasic, OCX interface specs, audio samples for testing. Functions: DTMF, get network time, send and recieve audio data/audio files, record incoming calls. Uses: write answering machine with individual prompts, write ISDN telephone, ISDN diagnostic program etc. Licence is GNU General Public Licence.