SMSj - Java SMS library

This library allows you to send SMSes (GSM) from the Java platform. It gives you full control over the SMS including the UDH field so you can create and send EMS messages, WAP push messages and nokia smart messages (picture, ringtone etc). The API can send SMS by using a GSM phone connected to the serial port or via a SMS gateway (like Clickatell). It provides a pluggable transport layer that allows it be used with a range of different SMS servers. Its features include:

• Simple highlevel API that gives you access to most message types.
• Powerful lowlevel API to send more advanced SMS messages.
• Send sms text messages, 7-bit, 8-bit and unicode.
• Send wap push messages. Both SI and SL. Use this to trigger a content download to the phone.
• Send mms notification messages.
• Send message waiting messages.
• Send wap bookmark messages.
• Transport for using the Clickatell SMS server (SMSC). More information about Clickatell.
• Transport for using the PSWinCom SMS gateway (SMSC). More information about PSWinCom.
• Transport for sending SMS through a GSM phone connected to the serial port. (Requires that javacomm is installed)