Assuming there is a server and mobile terminal communicating by http, how realise this function, that is when never server got actived, it can send a message to client?
Well, of course one solution is that client check server by times, but this isn't a good solution at all for wasting much resources;another is that client is always hibernating or shut, and server can active it by some technic, such as sms? For the second solution, is it possilbe invisible to user? Or if there is a solution number 3 and number 4 etc? ^_^,