Merged revisions 161725 via svnmerge from

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

........
  r161725 | file | 2008-12-08 13:52:10 -0400 (Mon, 08 Dec 2008) | 6 lines
  
  Make the usereqphone option work again.
  (closes issue #13474)
  Reported by: mmaguire
  Patches:
        20080912_bug13474.diff uploaded by mmaguire (license 571)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@161726 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -9601,7 +9601,7 @@ static void initreqprep(struct sip_request *req, struct sip_pvt *p, int sipmetho
 				break;
 		}
 		/* If we have only digits, add ;user=phone to the uri */
-		if (*s)
+		if (!*s)
 			urioptions = ";user=phone";
 	}