Set some options which will control the behavior of the Global Call interface.
[Visual Basic] Public Shared Function SetGCOption( _ ByVal dev As Integer, _ ByVal option As Integer, _ ByVal optionValue As Integer _ ) As Integer
[C#] public static int SetGCOption( intdev, intoption, intoptionValue );
Parameters
dev
The device returned from the CTIOpenGCPort() call
option
At this point there is only one option to set: 1 – SETCALLOPTION (default value is 1) This option controls the behavior of an outbound call. The default (1) is set for dialing out an ISDN PRI line. The gc_MakeCall sends in a call block with settings set for an ISDN call. For other protocols such as T-1 or Analog, you may want to set this to zero. Example: CTISetGCOption(dev,1,0);