Merged revisions 123333 via svnmerge from

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

........
r123333 | mmichelson | 2008-06-17 13:09:16 -0500 (Tue, 17 Jun 2008) | 11 lines

Cisco BTS sends SIP responses with a tab between the Cseq number and
SIP request method in the Cseq: header. Asterisk did not handle this
properly, but with this patch, all is well.

(closes issue #12834)
Reported by: tobias_e
Patches:
      12834.patch uploaded by putnopvut (license 60)
Tested by: tobias_e


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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@123334 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -16344,12 +16344,12 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
 	int sipmethod;
 	int res = 1;
 	const char *c = get_header(req, "Cseq");
-	const char *msg = strchr(c, ' ');
+	/* Skip the Cseq and its subsequent spaces */
+	const char *msg = ast_skip_blanks(ast_skip_nonblanks((char *)c));
 
 	if (!msg)
 		msg = "";
-	else
-		msg++;
+
 	sipmethod = find_sip_method(msg);
 
 	owner = p->owner;