ModemControl Plug-in

The \ModemControl plug-in module expects four parameters as follows:

Function

Identifies the calling condition for the plug-in:

Calling Condition

Definition

0

about to begin a dial attempt for an outgoing call

1

completion of a successful outgoing call

2

failure of an outgoing call

3

modem is going idle after a call or on exit from a failed mode

4

modem is being set into a failed mode

Index
The index of this modem device in the list of system modem devices (as returned by the ModemList function).
Tag

The name of the tag that originated the call (functions 0, 1, and 2 only).

UserData
The opaque user data supplied as a parameter to the MakeCall() method (functions 0, 1, and 2 only).