diff -ruNp tvheadend.new/src/http.h tvheadend/src/http.h
--- tvheadend.new/src/http.h	2018-03-16 20:14:00.336001370 +0300
+++ tvheadend/src/http.h	2018-03-16 22:23:46.968068354 +0300
@@ -173,6 +173,7 @@ typedef struct http_connection {
   access_t *hc_access;
 
   /* RTSP */
+  int hc_stream;
   uint64_t hc_cseq;
   char *hc_session;
 
diff -ruNp tvheadend.new/src/satip/rtsp.c tvheadend/src/satip/rtsp.c
--- tvheadend.new/src/satip/rtsp.c	2018-03-16 20:14:00.352001882 +0300
+++ tvheadend/src/satip/rtsp.c	2018-03-16 22:40:30.137061730 +0300
@@ -969,6 +969,21 @@ parse_transport(http_connection_t *hc)
     if (a + 1 != b)
       return -1;
     return a;
+  } else if (strncmp(s, "RTP/AVP/UDP;unicast;client_port=", 32) == 0) {
+    for (s += 32, u = s; isdigit(*u); u++);
+    if (*u != '-')
+      return -1;
+    a = atoi(s);
+    for (s = ++u; isdigit(*s); s++);
+    if (*s != '\0' && *s != ';')
+      return -1;
+    b = atoi(u);
+    if (a + 1 != b)
+      return -1;
+    return a;
+  } else if ((strncmp(s, "RTP/AVP/TCP;unicast;interleaved=0-1", 35) == 0) &&
+             !satip_server_conf.satip_notcp_mode) {
+    return RTSP_TCP_DATA;
   } else if ((strncmp(s, "RTP/AVP/TCP;interleaved=0-1", 27) == 0) &&
              !satip_server_conf.satip_notcp_mode) {
     return RTSP_TCP_DATA;
@@ -1253,6 +1268,13 @@ play:
   if (mpegts_pid_dump(&rs->pids, buf + r, sizeof(buf) - r, 0, 0) == 0)
     tvh_strlcatf(buf, sizeof(buf), r, "<none>");
 
+  if (cmd == RTSP_CMD_DESCRIBE) {
+    hc->hc_session = rs->session;
+    if (!rs->stream)
+      rs->stream = 1;
+    hc->hc_stream = rs->stream;
+  }
+
   tvhdebug(LS_SATIPS, "%i/%s/%d: %s from %s:%d %s",
            rs->frontend, rs->session, rs->stream,
            caller, hc->hc_peer_ipstr, ntohs(IP_PORT(*hc->hc_peer)), buf);
@@ -1491,7 +1513,9 @@ rtsp_process_play(http_connection_t *hc,
   if ((u = rtsp_check_urlbase(u)) == NULL)
     goto error2;
 
-  if ((stream = rtsp_parse_args(hc, u)) < 0)
+  /* if ((stream = rtsp_parse_args(hc, u)) < 0) */
+  stream = hc->hc_stream;
+  if (stream < 0)
     goto error2;
 
   pthread_mutex_lock(&rtsp_lock);
@@ -1732,6 +1756,7 @@ rtsp_serve(int fd, void **opaque, struct
   hc.hc_self    = self;
   hc.hc_process = rtsp_process_request;
   hc.hc_cseq    = 1;
+  hc.hc_stream  = -1;
 
   http_serve_requests(&hc);
 
@@ -1765,7 +1790,7 @@ rtsp_close_session(session_t *rs)
   rs->tcp_data = NULL;
   pthread_mutex_lock(&global_lock);
   mpegts_pid_reset(&rs->pids);
-  rtsp_clean(rs, 1);
+  rtsp_clean(rs, 0);
   mtimer_disarm(&rs->timer);
   pthread_mutex_unlock(&global_lock);
 }