How can the SMS sent by Apple's mobile phone be imessage? Can the other party receive it?

Using Apple mobile phone to send SMS is imessage, and the other party can receive it, but only if the other party is also an Apple mobile phone and the data traffic is turned on or linked to the wireless network.

IMessage is an instant messaging software launched by Apple, which can send short messages, videos and so on. It has very high security. Different from the SMS/MMS service of operators, users only need to provide data support through WiFi or cellular data network to complete communication.

How to open imessage service:

Open the phone settings, enter the information, and then open the selection box at the top of imessage.

The differences between iMessage and SMS are as follows:

When 1. is sent, the content is marked in blue, which indicates that the SMS content is being sent in the form of iMessage.

2. When sending, if the content is displayed as a green mark, it means that it is sent by ordinary SMS.