Merged revisions 152368 via svnmerge from

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

........
  r152368 | tilghman | 2008-10-28 12:04:56 -0500 (Tue, 28 Oct 2008) | 8 lines
  
  Reset all DIAL variables back to blank, in case Dial is called multiple times
  per call (which could otherwise lead to inconsistent status reports).
  (closes issue #13216)
   Reported by: ruddy
   Patches: 
         20081014__bug13216.diff.txt uploaded by Corydon76 (license 14)
   Tested by: ruddy
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@152369 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_dial.c

@@ -1283,6 +1283,13 @@ static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags
 	struct ast_dial_features *caller_features;
 	int fulldial = 0, num_dialed = 0;
 
+	/* Reset all DIAL variables back to blank, to prevent confusion (in case we don't reset all of them). */
+	pbx_builtin_setvar_helper(chan, "DIALSTATUS", "");
+	pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", "");
+	pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", "");
+	pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", "");
+	pbx_builtin_setvar_helper(chan, "DIALEDTIME", "");
+
 	if (ast_strlen_zero(data)) {
 		ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
 		pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);