Change the voicemail recording max length from 30 seconds to 300 seconds.

includes/install/scripts/app/voicemail/resources/functions/record_message.lua

@@ -70,7 +70,7 @@
 
 		--save the recording
 			-- syntax is session:recordFile(file_name, max_len_secs, silence_threshold, silence_secs)
-			max_len_seconds = 30;
+			max_len_seconds = 300;
 			silence_threshold = 30;
 			silence_seconds = 5;
 			os.execute("mkdir -p " .. voicemail_dir.."/"..voicemail_id);