SIM Express (OS X) Specifications
Edit the 'contacts' of your mobile phone.
FromID express Oy:From the developer:SIM express is a Mac application capable of editing the contact information (phonebooks, also known as memories) of a cellular/GSM/mobile phone, which has a built-in modem (or via well equipped data-card), and supports the standard AT command set. A new feature, the SIM express can now also send SMS messages. Both serial cable and infrared connections are supported.