diff --git a/tests/rtp_test/rtp_test.c b/tests/rtp_test/rtp_test.c
new file mode 100644
index 0000000..d696033
--- /dev/null
+++ b/tests/rtp_test/rtp_test.c
@@ -0,0 +1,92 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <errno.h>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <osmocom/core/utils.h>
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/core/application.h>
+#include <osmocom/trau/osmo_ortp.h>
+
+static void *tall_test;
+
+static struct osmo_rtp_socket *create_bind_any(void)
+{
+	struct osmo_rtp_socket *rs;
+	int i;
+
+	rs = osmo_rtp_socket_create(tall_test, 0);
+	for (i = 16384; i < 65535; i+=2) {
+		if (osmo_rtp_socket_bind(rs, "0.0.0.0", i) == 0)
+			return rs;
+	}
+	osmo_rtp_socket_free(rs);
+	return NULL;
+}
+
+/* test if binding two sockets to the same local port fails (See OS#4444) */
+static void test_bind_fail(void)
+{
+	struct osmo_rtp_socket *rs[2];
+	uint32_t ip;
+	int rc, port[2];
+
+	printf("First bind to any random local port...\n");
+	rs[0] = create_bind_any();
+	OSMO_ASSERT(rs[0]);
+
+	/* then obtain the local port */
+	rc = osmo_rtp_get_bound_ip_port(rs[0], &ip, &port[0]);
+	OSMO_ASSERT(rc == 0);
+
+	printf("Now try to bind another socket to the same port: ");
+	rs[1] = osmo_rtp_socket_create(tall_test, 0);
+	OSMO_ASSERT(rs[1]);
+	rc = osmo_rtp_socket_bind(rs[1], "0.0.0.0", port[0]);
+	if (rc == -1 && errno == EADDRINUSE)
+		printf("OK (EADDRINUSE)\n");
+	else {
+		printf("FAILED - second bind to port %u worked\n", port[0]);
+		fflush(stdout);
+		//OSMO_ASSERT(0);
+	}
+
+	osmo_rtp_socket_free(rs[0]);
+	osmo_rtp_socket_free(rs[1]);
+}
+
+#define DTEST 0
+
+static const struct log_info_cat bts_test_cat[] = {
+	[DTEST] = {
+		.name = "DTEST",
+		.description = "test",
+		.color = "\033[1;35m",
+		.enabled = 1, .loglevel = LOGL_NOTICE,
+	},
+};
+
+static const struct log_info bts_test_log_info = {
+	.filter_fn = NULL,
+	.cat = bts_test_cat,
+	.num_cat = ARRAY_SIZE(bts_test_cat),
+};
+
+
+int main(int argc, char **argv)
+{
+	tall_test = talloc_named_const(NULL, 1, "rtp_test");
+	osmo_init_logging2(tall_test, &bts_test_log_info);
+	osmo_rtp_init(tall_test);
+
+	test_bind_fail();
+
+	exit(0);
+}
+
diff --git a/tests/rtp_test/rtp_test.ok b/tests/rtp_test/rtp_test.ok
new file mode 100644
index 0000000..ded2792
--- /dev/null
+++ b/tests/rtp_test/rtp_test.ok
@@ -0,0 +1,2 @@
+First bind to any random local port...
+Now try to bind another socket to the same port: FAILED - second bind to port 16384 worked