If you are writing a custom driver to accept incoming modem calls, then you must use the Modem Manager interface, as described in the sections that follow.
Topics in this section:
Modem Manager Subroutines
Modem Manager Functions
Modem Manager Methods
Modem Manager Plug-ins
Modem Manager Constants
Modem Manager Properties
Modem Manager Configuration Variables
Text Strings Used by the Modem Manager
Call Progress and Error Codes
Example Data Discriminator
Example Audio Discriminator