/mcp• STREAM_TYPE_AUDIO • STREAM_TYPE_VIDEO streamDir Stream direction. This parameter can be one of the following values: • ToApp • ToNwk Return Value If no errors occurs, this function returns stream handle which can be used to reference the stream. If an error occurs, NULL is returned, and a specific error code can be retrieved by calling EpApiGetLastError Description Error code EpAPI is not initialized. EP_ERR_INIT Specified endpoint handle is invalid. EP_ERR_HANDLE_INVALID Specified stream type or direction is invalid. EP_ERR_PARAM_INVALID EpStreamStart Enables data flow on a specified stream Syntax CMAPI bool EpStreamStart ( HANDLE hStream, PRTPDATACALLBACK pCallback ); Parameters hStream Stream handle returned by EpGetStreamHandle. pCallback Pointer to an application callback function to be called when data buffer is received/sent or an error occurred. Return Value If no error occurs, this function returns true. If an error occurs, false is returned, and a specific error code can be retrieved by calling EpApiGetLastError. Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 434 Cisco TSP Media Driver EpStreamStart