Does imessage need traffic to send text messages?

IMessage is IOS5 released by Apple WWDC20 1 1. Mac os X 10.8 has an instant messaging software called iMessage, which can send text, pictures, videos, address books and location information between iOS and MAC OS devices, and supports multi-person chat. IMessage is different from SMS/MMS service of operators. Users only need the data support of WiFi or 3G network to complete communication. IMessage uses the new message reminder system of iOS and Mac os to directly push information to the other party's screen, regardless of whether the other party is in the game or locked. If both parties are using iMessage, you can even see the state of each other's speech. \ x0d \ \ x0d \ After activating the Facetime and iMessage functions, there will be 65438+ international SMS charges for telephone charges in 0 yuan. \x0d\ In this regard, China Mobile Customer Service said that when activating and enabling Facetime and iMessage functions, iPhone users of mobile cards need to send activation messages to Apple's servers in the UK, so they need to charge 1 yuan each time. \x0d\ However, when China Mobile activates, it will prompt that "your operator may charge users for activating iMessage." \x0d\ If the user turns off the iMessage function after turning it on, he will have to pay a fee of 1 yuan when turning it on again. The customer service also suggested that if the system is upgraded, a fee of 1 yuan will be charged. \x0d\ Unlike China Mobile, iPhone users of China Unicom will enjoy free activation and activation of facetime and iMessage functions. If the user repeatedly switches the iMessage function and upgrades the iOS system, Unicom will not charge.