diff --git a/tests/sdp_msg/sdp_msg_test.c b/tests/sdp_msg/sdp_msg_test.c
index ee48e80..a1ffac0 100644
--- a/tests/sdp_msg/sdp_msg_test.c
+++ b/tests/sdp_msg/sdp_msg_test.c
@@ -61,6 +61,7 @@
 		"a=rtpmap:101 telephone-event/8000\r\n"
 		"a=fmtp:101 0-15\r\n"
 		"a=ptime:20\r\n"
+		"a=sendrecv\r\n"
 		,
 	},
 	{
@@ -116,6 +117,7 @@
 		"a=rtpmap:101 telephone-event/8000\r\n"
 		"a=fmtp:101 0-15\r\n"
 		"a=ptime:20\r\n"
+		"a=sendrecv\r\n"
 		,
 	},
 };
diff --git a/tests/sdp_msg/sdp_msg_test.ok b/tests/sdp_msg/sdp_msg_test.ok
index 5f84ddd..51a236b 100644
--- a/tests/sdp_msg/sdp_msg_test.ok
+++ b/tests/sdp_msg/sdp_msg_test.ok
@@ -42,6 +42,7 @@
 sdp_msg_to_sdp_str_buf: a=rtpmap:101 telephone-event/8000\r\n
 sdp_msg_to_sdp_str_buf: a=fmtp:101 0-15\r\n
 sdp_msg_to_sdp_str_buf: a=ptime:20\r\n
+sdp_msg_to_sdp_str_buf: a=sendrecv\r\n
 [0] ok
 
 [1]
@@ -95,6 +96,7 @@
 sdp_msg_to_sdp_str_buf: a=rtpmap:101 telephone-event/8000\r\n
 sdp_msg_to_sdp_str_buf: a=fmtp:101 0-15\r\n
 sdp_msg_to_sdp_str_buf: a=ptime:20\r\n
+sdp_msg_to_sdp_str_buf: a=sendrecv\r\n
 [2] ok