I want a program can operate under symbian operating system and has these specifications : 1- the program do a certain function that could be activated or deactivated 2- the function is , when a [ key in the mobile keypad is pressed ] or [ DTMF tone is detected by mobile phone MIC ] the mobile sends each 5 minutes ( could be changed from setting page ) sms messages ( containing a specific data) [ these data may be the time and GPS data of the mobile , if the mobile supports GPS [ internal or external ] these sms messages could be sent to several phone numbers , also makes a phone calls to a certain phone numbers 3- the activation and deactivation is done by either receiving a phone call from certain phone numbers or by receiving a sms from certain phone numbers [ where the sms body contains text explaining whether to activate or deactivate ] and after activation or deactivation , the program play a specific mp3 or wav audio file 4- the phone numbers used in the program should be stored in a file in the mobile phone memory by a setting page or by sms message from a certain phone numbers 5- i want a specific serial number to each mobile phone ( any thing from mobile hardware i.e mac address of network , blue tooth ,any thing ) to prevent copying the program from mobile to anothor one without my acceptance , when the program starts , it checks if serial number is right , continue operation, if not stop operation 6-in the setting page , there is an option enable the program user to select if the program runs at mobile start up or not 7-in the setting page , there is an option enable the program user to select if the program is visible or not Note : you can have ( DTMF tone analysis in vb6 code in www.planetsourcecode.com )