Fix selection of tag in reqprep

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@762 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index b33b269e6b5e85dcc76e8353c4c03aa9bb935707..5f23ad52bfa41ed9f19bfcf254768b151a1fb1e9 100755 (executable)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -1949,9 +1949,9 @@ static int reqprep(struct sip_request *req, struct sip_pvt *p, char *msg, int in
        if (!strstr(ot, "tag=") && strcasecmp(msg, "CANCEL")) {
                /* Add the proper tag if we don't have it already.  If they have specified
                   their tag, use it.  Otherwise, use our own tag */
-               if (!p->outgoing && strlen(p->theirtag))
+               if (p->outgoing && strlen(p->theirtag))
                        snprintf(newto, sizeof(newto), "%s;tag=%s", ot, p->theirtag);
-               else if (p->outgoing)
+               else if (!p->outgoing)
                        snprintf(newto, sizeof(newto), "%s;tag=%08x", ot, p->tag);
                else
                        snprintf(newto, sizeof(newto), "%s", ot);