Mobile OS and SDKs

http://en.wikipedia.org/wiki/Mobile_operating_system

http://www.forum.nokia.com/info/sw.nokia.com/id/05c63dfd-d6e9-4c0e-b185-d365e7001aeb/S60-SDK-0548-3.0-f.3.215f.zip.html

http://blog.neuronaltraining.net/?p=1117

http://social.msdn.microsoft.com/Forums/en-US/vssmartdevicesvbcs/thread/6a5af8f7-9cb6-457a-b97c-efa199171a6b

http://www.forosdeelectronica.com/f24/uso-celular-gsm-pic-pc-2730/

http://www.ozekisms.com/

http://www.ozekisms.com/p_61-it-system-interface-sms.html7&info=product-manual/index.php?ow_page_number=315

http://www.emant.com/681002.page