1)   mCore .NET SMS Library (LITE) 1.0 mCore .NET SMS Library - LITE is a powerful and easy to use Class Library, for 2-Way SMS applications, written in 100% .NET managed code. It can be used with any ETSI 07.05 compliant GSM modem or phone handset connected to the PC serial port. 2)   mCore .NET SMS Library (PRO) 1.0 mCore .NET SMS Library - PRO is a powerful and easy to use Class Library, written in 100% managed code, for 2-Way SMS, WAP Push, vCard/vCalendar. It can be used with any ETSI 07.05 compliant GSM modem or phone handset connected to the PC serial port.