References: [I] U. Gillwald and J. Weigl Application Module S40-AM-T2-D/GB, publisher Moeller GmbH, Gennany. September 200 I [2] C. Dechaux and R. Scheller. What arc GSM and DCS. Electrical communication, 2nd Quarter 1993 [3] Torbjorn Nilsson. Toward a new era in mobile communications. http://www .Ericsson.com [4] D. M. Balston. The pan-European system: GSM. In D. M. Balston and R.C.V. Macario, editors, Cellular Radio Systems. Artcch House, Boston, 1993 [5] www.inside-gsm.com .J [6] ATMEL AVR Butterfly Quick Start User Guide, Document ref. 4249A-AVR- 05/03/ IOM [7] Reference Atmel AT mega 169 summary Document 2514KS-A VR-05/04 May 2004 [8] Reference ATMEL AVR Butterfly User Guide 42718-AVR- 11 /03 [9] Digital cellular telecommunications system (Phase 2+) Alphabets and language-specific Infonnation (GSM 03.38) Document Ref. TS/SMG- 040338QR2 [I OJ Ericsson Document ref T28 AT Command R l A www.sonyericsson.com ~ ' , .... ~~ .. .-"' ~----"" / 70