RTSP_STATUS_VERSION 2746 ffserver.c             rtsp_reply_error(c, RTSP_STATUS_VERSION);
RTSP_STATUS_VERSION  121 libavformat/rtspcodes.h [RTSP_STATUS_VERSION]                ="RTSP Version not Supported",
RTSP_STATUS_VERSION   51 libavformat/rtspdec.c     { RTSP_STATUS_VERSION,        "RTSP Version not supported"       },