diff --git a/resources/install/scripts/ivr_menu.lua b/resources/install/scripts/ivr_menu.lua
index a36ca6ea37..3700fff9bf 100644
--- a/resources/install/scripts/ivr_menu.lua
+++ b/resources/install/scripts/ivr_menu.lua
@@ -209,10 +209,10 @@
 					dofile(scripts_dir.."/resources/functions/base64.lua");
 				--get the base64
 					recording_base64 = row["recording_base64"];
-		
+
 				--add the path to filename
 					ivr_menu_greet_long = recordings_dir.."/"..ivr_menu_greet_long;
-		
+
 				--save the recording to the file system
 					if (string.len(recording_base64) > 32) then
 						local file = io.open(ivr_menu_greet_long, "w");
@@ -233,10 +233,10 @@
 					dofile(scripts_dir.."/resources/functions/base64.lua");
 				--get the base64
 					recording_base64 = row["recording_base64"];
-		
+
 				--add the path to filename
 					ivr_menu_greet_short = recordings_dir.."/"..ivr_menu_greet_short;
-		
+
 				--save the recording to the file system
 					if (string.len(recording_base64) > 32) then
 						local file = io.open(ivr_menu_greet_short, "w");
diff --git a/resources/install/scripts/resources/functions/base64.lua b/resources/install/scripts/resources/functions/base64.lua
index 9dbe288258..2bbce53729 100644
--- a/resources/install/scripts/resources/functions/base64.lua
+++ b/resources/install/scripts/resources/functions/base64.lua
@@ -1,36 +1,13 @@
--- Lua 5.1+ base64 v3.0 (c) 2009 by Alex Kloss <alexthkloss@web.de>
--- licensed under the terms of the LGPL2
-base64={}
+base64 = {}
 
--- character table string
-local b='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
-
--- encoding
-function base64.encode(data)
-	return ((data:gsub('.', function(x) 
-		local r,b='',x:byte()
-		for i=8,1,-1 do r=r..(b%2^i-b%2^(i-1)>0 and '1' or '0') end
-		return r;
-	end)..'0000'):gsub('%d%d%d?%d?%d?%d?', function(x)
-		if (#x < 6) then return '' end
-		local c=0
-		for i=1,6 do c=c+(x:sub(i,i)=='1' and 2^(6-i) or 0) end
-		return b:sub(c+1,c+1)
-	end)..({ '', '==', '=' })[#data%3+1])
+-- encode a string and return a base64 string
+function base64.encode(s)
+	local mime = require("mime");
+	return (mime.b64(s));
 end
 
--- decoding
-function base64.decode(data)
-	data = string.gsub(data, '[^'..b..'=]', '')
-	return (data:gsub('.', function(x)
-		if (x == '=') then return '' end
-		local r,f='',(b:find(x)-1)
-		for i=6,1,-1 do r=r..(f%2^i-f%2^(i-1)>0 and '1' or '0') end
-		return r;
-	end):gsub('%d%d%d?%d?%d?%d?%d?%d?', function(x)
-		if (#x ~= 8) then return '' end
-		local c=0
-		for i=1,8 do c=c+(x:sub(i,i)=='1' and 2^(8-i) or 0) end
-			return string.char(c)
-	end))
+--decode a base64 string and return a string
+function base64.decode(s)
+	local mime = require("mime");
+	return (mime.unb64(s));
 end
\ No newline at end of file