Merged revisions 187381 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

........
  r187381 | tilghman | 2009-04-09 12:20:49 -0500 (Thu, 09 Apr 2009) | 4 lines
  
  Allow '/' in username portion of register; this is a regression.
  (closes issue #14668)
   Reported by: Netview
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@187391 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -6974,7 +6974,7 @@ static int sip_register(const char *value, int lineno)
 	expire = strchr(buf, '~');
 	if (expire)
 		*expire++ = '\0';
-	callback = strchr(buf, '/');
+	callback = strrchr(buf, '/');
 	if (callback)
 		*callback++ = '\0';
 	if (ast_strlen_zero(callback))