SMSDB is a mobile SMS platform, it's full name is "SMSDB Web and Database Function SMS Platform". It provides two major features: WebSMS and Database Function. SMSDB allows you build up SMS server easily. It sends/receives mobile SMS via one or multipile GSM phone device which connects to the server by data cable or IrDA. WebSMS build up a Web server. All the lan users can share the GSM phone device to send/receive SMS message like webmail box. With Database Function, without programing, just fill in some SQL statement, you can easily and quickly build SMS application which connects to your own database. Mobile users can retrieve or update database's data via SMS message. On the other hand, system can also send SMS message to inform mobile users when database's data is changed.