Communicate with mobile users via messages containig any kind of content including text, animations, images, ringtones, videos and Java programs from your applications.

ASP.Net Messaging (SMS/EMS/MMS) Components by Hillstone Software

HS SMS DLL Library (GSM 07.05) 1.1

Secure SMS Library (with integrated encryption) for use from C, C++, VB and C#.NET applications.