Methods of ISC_DRIVER_HANDLE
The driver handle, ISC_DRIVER_HANDLE, is implemented in the communications driver. Driver handle methods are invoked to request the driver to create a service handle, among other things. The service handle represents the functionality of the communications system with which you are integrating.
When a call to a driver handle method is successful, it returns 0 (zero). ISC_RESULT represents the API result type defined for the Siebel Adaptive Communications API.