# 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.