Merged revisions 128912 via svnmerge from

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

........
r128912 | oej | 2008-07-08 11:06:08 +0200 (Tis, 08 Jul 2008) | 7 lines

Fix issues where repeated messages where ignored, but retransmitted reliably instead of unreliably.
Reported by: johan
Patches: 
      12746.txt uploaded by oej (license 306)
Tested by: johan
(issue #12746)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@128927 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -17073,8 +17073,8 @@ static int handle_request_invite(struct sip_pvt *p, struct sip_request *req, int
 			else
 				ast_debug(2, "Got a SIP re-transmit of INVITE for call %s\n", p->callid);
 		}
-
-		reinvite = 1;
+		if (!req->ignore)
+			reinvite = 1;
 		c = p->owner;
 	}