Diafaan SMS Server v4.9.0.0 Full Edition Retail Diafaan SMS Server full edition is a powerful SMS platform for 3G/GSM/CDMA modems, HTTP SMS services and SMPP accounts. This edition has no limits on the number of 3G/GSM modems, SMPP accounts or HTTP based SMS services. It is the perfect solution for projects where you need to apply multiple 3G/GSM modems. Diafaan SMS Server is an SMS gateway for Windows that makes it easy to send and receive SMS text messages from and to a web browser, web server, email, SQL database or C#/Visual Basic .NET script.