How to send short messages to PHS

Send short messages between PHS, and the number input is: area code+number (you can dial directly in the same area);

Unicom and China Mobile send SMS to PHS, and the number input is: 106+ area code+PHS number (note: the area code must also be added in the same area).

PHS sends SMS to mobile phones and Unicom phones, and the number input is the same as the original SMS.