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http://tinkerlog.com/2007/07/13/inter...-avr-controller-to-a-gps-mobile-phone
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http://www.avrfreaks.net/index.php?mo...t×tamp=2007-08-19%2015:46:24
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http://groups.google.com/group/low-cost-ata/topics
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http://gatling.ikk.sztaki.hu/~kissg/gsm/at+c.html
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http://www.electronickits.com/kit/complete/tele/ck605.htm
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http://code.google.com/p/amora
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http://www.linux.com/feature/122877
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http://people.via.ecp.fr/~alexis/asterisk
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http://www.directcentrex.com