Diafaan SMS Server - light edition - Version 2.0.0.0 Turn your GSM or 3G modem into a professional two-way SMS gateway. Just add the modem and select the method you want to use to integrate SMS in your IT system and your SMS gateway is ready to send and receive SMS messages. Use email integration to let your users send SMS from Outlook or other email programs. Connect to an SQL database and instantly add SMS to your business IT system. Send messages from your browser to mobile numbers and groups.