Use to determine audio size of the callers last utterance.
LVCA_API BOOL WINAPI LVCA_GetCallerAudioSize(HANDLE hCA, LONG * Size);
If successful,LVCA_GetCallerAudioSize returns true. If false is returned, call LVCA_GetLastCallError to retrieve the error code and message.
CAMSG_REC_BEFORE_CONFIRM
hCA (IN) The handle given by the event callback.
Size (OUT) Size of the caller spoken audio
Use this function with the command LVCA_GetCallerAudio to retrieve the caller’s last utterance.
Complete Help Topic List | Speech Platform Product Information