How to send short messages to mobile phone numbers outside Chinese mainland when roaming internationally?

International roaming, first of all, you need to open the international roaming function. After opening the international roaming function, the format of sending short messages to roaming places outside Chinese mainland or other countries outside roaming places is:

00+ payee country code+payee's mobile phone number

Or "+"+payee's country code+payee's mobile phone number ("+"is an international access code, which needs to be entered by customers when dialing).