Adding Modem-Specific Voice Support
All of the INF file entries that are required to add voice capability to a modem must be added to add-registry-sections of the modem INF file. You must include the following items in all voice mode INF files:
Voice support INF file sections
Primary voice modem INF file entries
The VoiceProfile entry
The following features are optional:
Audio Mixer
Caller ID
Speakerphone capability
Phone message recording and playback
Support for answering voice calls
Voice call dial-out
Support for generation of DTMF digits in voice mode
Voice-to-data answering switch
The following topics describe how to add support for both required and optional features to your modem INF file:
Primary Voice Modem INF File Entries
Creating a VoiceProfile INF File Entry
Adding Support for the Audio Mixer
Adding Support for Phone Message Recording and Playback
Adding Support for Answering Voice Calls
Adding Voice Call Dial-Out Support
Adding Support for Generation of DTMF Digits in Voice Mode
Adding Support for Voice-to-Data Answering Switch