5.2 - Feb 03, 2014
- Fixed 'Bad file number' error occuring when logging is enabled in some cases.
- Fixed USSD not returning result for some cases.
- Fixed GetAvailableCOMPorts returning error in some computers due to invalid characters in Windows Serial Port registry.
- Help File and Samples updated and improved.

5.1 - Nov 03, 2013
- GetAvailableCOMPorts method now returns available COM ports as comma separated string for compatibility between different languages.
- Fixed USSD not returning result for some special characters.
- Improved Logging of modem.
- Improved speed of Reading PhoneBook. 

5.0 - Mar 28, 2013
- Added ability to read sim/phone contacts from some of the GSM modems/phones which support it.
- Added ability to read dialled/received/missed call list from some of the GSM modems/phones which support it.
- Delivery reports can now be read in modems which are able to receive delivery reports.
- Fixed a bug in which SMS could not be sent after applying SMSC.

4.3 - Feb 28, 2013
- Php, Asp, Javascript sample for sending SMS is updated.
- Fixed problems in DetectModem method.

4.2 - Oct 18, 2012
- Fixed a bug of Long message showing junk characters when read in some cases.
- InboxPart property now shows whether all parts of the message(only when InboxConcatenate is set to TRUE) are received in Inbox of the modem.

4.1 - Jan 09, 2012
- Fixed a bug of Sender Name of read messages not showing in a long message.
- Updated USSD method to accept input/ouput encoding.
- Improved DialCall and EndCall methods.
- Added Read SMS code in PHP sample.
- Fixed C# sample Auto detection modem code.
- Updated the Help documentation for Character Encoding property.

4.0 - May 12, 2011
- Added call dial and call hang up.
- Added getting list of COM ports in computer and automatic detection of modem.
- Added InboxPart property which returns part information of a long message read from Inbox.
- Fixed a regional setting bug due to which users were not being able to send long messages.
- Fixed InboxConcantenate not merging long messages in some cases.

3.6 - Aug 09, 2010
- Added ability to Log operations of the dll.
- Improved working of USSD method.
- Improved speed of sending wap push messages.

3.5 - Jan 03, 2010
- Improved speed of sending SMS.
- Updated InboxTime property. The time is now returned in "dd/mm/yy hh:mm:ss" format.
- Updated documentation for ReadInbox method.
- Fixed Inbox showing invalid characters in message read and date.
- Fixed .net samples not working in 64 bit versions of Win Xp,Vista,7.
- Fixed a crash while reading messages from some phones.

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