PageGate
Pagegate is a sophisticated wireless messaging server application. It can send SMS and text messages to pagers, mobile phones, PIMs and other wireless devices. PageGate can accept messages from many different sources: networked computers running the PageGate Windows Client program, email... Messages can also be delivered directly to a terminal or encoder via a direct serial (RS232) connection. ... A single PageGate server can be run across multiple computers for distributed message processing. ... PageGate supports many advanced features.
http://www.notepager.com/download/pgv4.exe - 7b - Download - Screenshot