From: Bogdan-Andrei Iancu <bogdan@opensips.org>
Date: Thu, 2 Apr 2015 17:52:27 +0300
Subject: [PATCH] Better err logging

(cherry picked from commit a9ea0a142fc0e18f36e17e5129f522407edcab80)

diff --git a/modules/rtpengine/rtpengine.c b/modules/rtpengine/rtpengine.c
index efc3be2..64662a1 100644
--- a/modules/rtpengine/rtpengine.c
+++ b/modules/rtpengine/rtpengine.c
@@ -1474,7 +1474,7 @@ send_rtpe_command(struct rtpe_node *node, bencode_item_t *dict, int *outlen)
 		} while (len == -1 && errno == EINTR);
 		if (len <= 0) {
 			close(fd);
-			LM_ERR("can't send command to a RTP proxy\n");
+			LM_ERR("can't send command to a RTP proxy (%s)\n",strerror(errno));
 			goto badproxy;
 		}
 		do {