From e307a3f7f43562018f957e3442c1b19cfd4a1aed Mon Sep 17 00:00:00 2001
From: dhubbard <dhubbard@f38db490-d61c-443f-a65b-d21fe96a405b>
Date: Fri, 24 Aug 2007 22:59:52 +0000
Subject: An empty string is an empty callerid ... so zap it.  This closes
 issue #10502, which was pointed out by dswartz.  Thank you, and may the
 swartz be with you

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@80878 f38db490-d61c-443f-a65b-d21fe96a405b
---
 apps/app_zapateller.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/app_zapateller.c b/apps/app_zapateller.c
index 06941b16a..5a209e315 100644
--- a/apps/app_zapateller.c
+++ b/apps/app_zapateller.c
@@ -85,7 +85,7 @@ static int zapateller_exec(struct ast_channel *chan, void *data)
 			res = ast_safe_sleep(chan, 500);
 		}
 	}
-	if (chan->cid.cid_num && nocallerid) {
+	if (!ast_strlen_zero(chan->cid.cid_num) && nocallerid) {
 		ast_module_user_remove(u);
 		return res;
 	} 
-- 
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