there is no physical way to turn of that feature, the easest way to change your greeting " this number does not accept any messages, please do not leave any messsage" , allow your voice mail to be full. no one can leave message.
I do not have IPHONE at all and I am getting this charegs, this is your voice call wich you have not set it up yet, you have tried the phone after instalation the sim card to see if it is working.
if it is the older phone may not operate, check your network connection type, you may see several network available. choose the public mobile network, also type of connection such as gsm and hspa and dsm, , it you did not get results, the kiosk at th...