Merged revisions 119926 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r119926 | file | 2008-06-03 11:46:24 -0300 (Tue, 03 Jun 2008) | 2 lines

Treat ECONNREFUSED as an error that will stop further retransmissions. (issue #AST-58, patch from Switchvox)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@119927 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -2770,11 +2770,12 @@ static int __sip_xmit(struct sip_pvt *p, struct ast_str *data, int len)
 
 	if (res == -1) {
 		switch (errno) {
-			case EBADF: 		/* Bad file descriptor - seems like this is generated when the host exist, but doesn't accept the UDP packet */
-			case EHOSTUNREACH: 	/* Host can't be reached */
-			case ENETDOWN: 		/* Interface down */
-			case ENETUNREACH:	/* Network failure */
-				res = XMIT_ERROR;	/* Don't bother with trying to transmit again */
+		case EBADF: 		/* Bad file descriptor - seems like this is generated when the host exist, but doesn't accept the UDP packet */
+		case EHOSTUNREACH: 	/* Host can't be reached */
+		case ENETDOWN: 		/* Inteface down */
+		case ENETUNREACH:	/* Network failure */
+		case ECONNREFUSED:      /* ICMP port unreachable */ 
+			res = XMIT_ERROR;	/* Don't bother with trying to transmit again */
 		}
 	}
 	if (res != len)