Status and protocol capability functions

Function	Synchronous/ Asynchronous	Description
nccGetCallStatus	Synchronous	Retrieves call control status information for a call.
nccGetExtendedCallStatus	Synchronous	Retrieves protocol-specific call control status information for a call.
nccGetLineStatus	Synchronous	Retrieves status information for a line.
nccQueryCapability	Synchronous	Queries capabilities of the current protocol.