3.4 - Jul 13, 2009
- Added new method USSD to send USSD commands over the network.
- Fixed a bug in SendMessage method in which SMS could not be sent from some modems.
- Fixed high CPU usage when Logiccode SMS sends/reads SMS.
- Fixed a bug in concatenation of read messages.
- Fixed minor bug in SendCommand method.

3.3 - Feb 23, 2009
- Fixed a bug in PIN property in which modem needs to be restarted if the PIN is entered incorrectly.
- SendCommand() method is now improved and now supports Mobile SIM Toolkit commands.
- Added Visual FoxPro 9 sample.

3.2 - Dec 03, 2007
- Fixed a bug in which SMS could not be read from inbox in some models of wavecom modems.
- Fixed a bug in sending of SMS which returned 'subscript out of range' error while sending concatenated SMS in some machines only.
- Added Visual C# 2005 and Delphi 7 sample

3.1 - Sept 23, 2007
- Fixed a minor bug which occurs while sending Wap Push message in some modems.

3.0 - Sept 15, 2007
- Added sending of WAP Push (Service Indication) message through GSM Modem/Phone.

2.2 - June 18, 2007
- Added PHP SMS sending sample.
- Fixed some minor sms reading issues.

2.1 - June 11, 2007
- Fixed a bug in which lcgsmsms.dll could not detect some modems connected on serial port and thus it could not open serial port for sending/reading SMS.
- Improved speed of reading of messages from Inbox.
- SendCommand method has been improved and it now works similar to a terminal application.
- Fixed a crash issue when no messages are found while reading from Inbox.
- Fixed a concatenation of messages bug when reading from Inbox.
- Fixed some minor issues.

2.0 - May 31, 2007
- Added ability to to read all messages, only unread messages or only read messages from Inbox memory of GSM modem/phone.
- Added ability to delete SMS from Inbox of GSM modem/phone.
- Added Vb.net sample.

1.1 - March 19, 2007
- Added new modem connection property Flow Control.
- Added new modem information properties named IMEI, IMSI, Manufacturer, Model, Firmware, Signal Strength, Network Info.
- Added Javascript sample.
- Optimized speed of sending SMS. Now can send 10-12 messages per min depending upon network conditions.

1.0 - November 30, 2006
Original Release