checked RTSP session-id not be empty (NULL) before processing
checked RTSP session-id not be empty (NULL) before processing

unispeech/unimrcp,AaronZhangL/unimrcp-1,AaronZhangL/unimrcp-1,unispeech/unimrcp,AaronZhangL/unimrcp-1,unispeech/unimrcp