Dialgo Wave Modem ActiveX - Version 1.0 Dialgo Wave Modem ActiveX SDK Features Caller ID Extraction, Digit Monitor and Playback, Wave File Playback and Recording on Phone Line. You get to save your Wave File in 20+ Audio Formats. Inputs CCITT u-Law Compressed Wave Files for Playback. This compact telephony control reduces your development time by 4 months. More the Registered Version supports SAPI5.1 Text To Speech and Speech To Text on Phone Line.