Use a GSM modem for sending multiple SMS messages. Organize a centre for managing correspondence data from your system and import previous messages, as well as contacts, from your phone. Track the sent and received materials according to your requirements.
AK SMS Sender is an efficient GSM modem based bulk sms sending tool. This program allows you to import mobile numbers and messages from Microsoft Worksheet files and send SMS using any GSM modem or phone connected with PC through USB or serial interface.