Joke Collection Website - Public benefit messages - Why does it fail to send text messages to mobile phone numbers in other places with mobile phone numbers?

Why does it fail to send text messages to mobile phone numbers in other places with mobile phone numbers?

First, don't add "zero"

Second, if you don't owe money.

Third, there is no problem with the mobile phone settings.

Fourth, if the network is busy, it is ok to resend it.

Tip: The number of SMS center is +86 13800****500.

The asterisk in the middle is the local area code of your card, not the telecom one!