From 43ba0b858bf65f7f00a7c5cb8b101bcebf613e9d Mon Sep 17 00:00:00 2001
From: Tilghman Lesher <tilghman@meg.abyt.es>
Date: Wed, 17 Sep 2008 20:57:58 +0000
Subject: [PATCH] Merged revisions 143404 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r143404 | tilghman | 2008-09-17 15:55:47 -0500 (Wed, 17 Sep 2008) | 6 lines

  When callerid is blank, we want to use "unknown caller" in those cases, too.
  (closes issue #13486)
   Reported by: tomo1657
   Patches:
         20080917__bug13486.diff.txt uploaded by Corydon76 (license 14)
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@143405 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 apps/app_voicemail.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index 90e0795b72..1e67996598 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -3676,8 +3676,8 @@ static void prep_email_sub_vars(struct ast_channel *ast, struct ast_vm_user *vmu
 	pbx_builtin_setvar_helper(ast, "VM_CONTEXT", context);
 	pbx_builtin_setvar_helper(ast, "VM_MAILBOX", mailbox);
 	pbx_builtin_setvar_helper(ast, "VM_CALLERID", ast_callerid_merge(callerid, sizeof(callerid), cidname, cidnum, "Unknown Caller"));
-	pbx_builtin_setvar_helper(ast, "VM_CIDNAME", (cidname ? cidname : "an unknown caller"));
-	pbx_builtin_setvar_helper(ast, "VM_CIDNUM", (cidnum ? cidnum : "an unknown caller"));
+	pbx_builtin_setvar_helper(ast, "VM_CIDNAME", (!ast_strlen_zero(cidname) ? cidname : "an unknown caller"));
+	pbx_builtin_setvar_helper(ast, "VM_CIDNUM", (!ast_strlen_zero(cidnum) ? cidnum : "an unknown caller"));
 	pbx_builtin_setvar_helper(ast, "VM_DATE", date);
 	pbx_builtin_setvar_helper(ast, "VM_CATEGORY", category ? ast_strdupa(category) : "no category");
 	pbx_builtin_setvar_helper(ast, "VM_FLAG", flag);
-- 
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