Why can't the other party receive international short messages?

This has nothing to do with mobile phone brands. M-Zone, GSM and Shenzhouxing have no restrictions on international SMS. You don't need to open it. Send a 1 yuan.

First of all, you need to make sure that it is normal for your mobile phone to send text messages to other users.

Secondly, we need to make sure that it is normal for the other party's mobile phone to accept other users' information. In this way, you can find out whether it is your problem or the other party's problem, and you can also change your mobile phone or ask the other party to change it.

You can take the exam in the local business hall.

This has nothing to do with international prefixes. If the prefix is wrong, it cannot be sent successfully, instead of just sending 10 words.