diff --git a/CHANGES.md b/CHANGES.md
index 72102ae1..4a38339d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,8 @@
+Bugs fixed in 3.7.3
+===================
+
+- Recovered `-mp` and `[auto_media_port]` to maintain backwards compatibility. (by Orgad Shaneh)
+
 Bugs fixed in 3.7.2
 ===================
 
diff --git a/src/message.cpp b/src/message.cpp
index 535d0496..f237fd42 100644
--- a/src/message.cpp
+++ b/src/message.cpp
@@ -95,6 +95,7 @@ struct KeywordMap SimpleKeywords[] = {
     {"ueaescm128sha1322video" , E_Message_UEAesCm128Sha1322Video },
 #endif // USE_TLS
     {"media_port", E_Message_Media_Port },
+    {"auto_media_port", E_Message_Media_Port },
     {"media_ip_type", E_Message_Media_IP_Type },
     {"call_number", E_Message_Call_Number },
     {"dynamic_id", E_Message_DynamicId }, // wrapping global counter
diff --git a/src/sipp.cpp b/src/sipp.cpp
index 49d53ba6..511221f4 100644
--- a/src/sipp.cpp
+++ b/src/sipp.cpp
@@ -277,6 +277,7 @@ struct sipp_option options_table[] = {
     {"mb", "Set the RTP echo buffer size (default: 2048).", SIPP_OPTION_INT, &media_bufsize, 1},
     {"min_rtp_port", "Minimum port number for RTP socket range.", SIPP_OPTION_INT, &min_rtp_port, 1},
     {"max_rtp_port", "Maximum port number for RTP socket range.", SIPP_OPTION_INT, &max_rtp_port, 1},
+    {"mp", NULL, SIPP_OPTION_INT, &min_rtp_port, 1},
     {"rtp_payload", "RTP default payload type.", SIPP_OPTION_INT, &rtp_default_payload, 1},
     {"rtp_threadtasks", "RTP number of playback tasks per thread.", SIPP_OPTION_INT, &rtp_tasks_per_thread, 1},
     {"rtp_buffsize", "Set the rtp socket send/receive buffer size.", SIPP_OPTION_INT, &rtp_buffsize, 1},