From 15323f8f51e84ea769fe3952d1ff56240ebd2b21 Mon Sep 17 00:00:00 2001
From: Mark Crane <markjcrane@gmail.com>
Date: Fri, 22 Feb 2013 20:50:44 +0000
Subject: [PATCH] Fixed the following bug. When dialing *99 it produces this
 error. 2013-02-21 18:39:28.016638 [ERR] mod_lua.cpp:198
 ...app/voicemail/resources/functions/record_message.lua:39: bad argument #1
 to 'len' (string expected, got nil)

---
 .../resources/functions/record_message.lua    | 40 ++++++++++---------
 1 file changed, 21 insertions(+), 19 deletions(-)

diff --git a/includes/install/scripts/app/voicemail/resources/functions/record_message.lua b/includes/install/scripts/app/voicemail/resources/functions/record_message.lua
index 7ce1f702df..dacd1d6a40 100644
--- a/includes/install/scripts/app/voicemail/resources/functions/record_message.lua
+++ b/includes/install/scripts/app/voicemail/resources/functions/record_message.lua
@@ -36,27 +36,29 @@
 			end
 
 		--direct dial
-			if (string.len(dtmf_digits) > 0) then
-				if (session:ready()) then
-					if (direct_dial["enabled"] == "true") then
-						if (string.len(dtmf_digits) < max_digits) then
-							dtmf_digits = dtmf_digits .. session:getDigits(direct_dial["max_digits"], "#", 5000);
+			if (dtmf_digits ~= nil) then
+				if (string.len(dtmf_digits) > 0) then
+					if (session:ready()) then
+						if (direct_dial["enabled"] == "true") then
+							if (string.len(dtmf_digits) < max_digits) then
+								dtmf_digits = dtmf_digits .. session:getDigits(direct_dial["max_digits"], "#", 5000);
+							end
 						end
 					end
-				end
-				if (session:ready()) then
-					freeswitch.consoleLog("notice", "[voicemail] dtmf_digits: " .. string.sub(dtmf_digits, 0, 1) .. "\n");
-					if (dtmf_digits == "*") then
-						--check the voicemail password
-							check_password(voicemail_id, password_tries);
-						--send to the main menu
-							timeouts = 0;
-							main_menu();
-					elseif (string.sub(dtmf_digits, 0, 1) == "*") then
-						--do not allow dialing numbers prefixed with *
-						session:hangup();
-					else
-						session:transfer(dtmf_digits, "XML", context);
+					if (session:ready()) then
+						freeswitch.consoleLog("notice", "[voicemail] dtmf_digits: " .. string.sub(dtmf_digits, 0, 1) .. "\n");
+						if (dtmf_digits == "*") then
+							--check the voicemail password
+								check_password(voicemail_id, password_tries);
+							--send to the main menu
+								timeouts = 0;
+								main_menu();
+						elseif (string.sub(dtmf_digits, 0, 1) == "*") then
+							--do not allow dialing numbers prefixed with *
+							session:hangup();
+						else
+							session:transfer(dtmf_digits, "XML", context);
+						end
 					end
 				end
 			end