How should China and foreign countries send text messages to each other using mobile phones?

I can tell you how Beijing Mobile numbers are sent and charged

Beijing Mobile

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Two ways to send international text messages: (1) The method starting with "00", the destination number format for sending international text messages is: International long distance access code (00) Country Code (not 86) Customer number.

(2) Starting with " ", the destination number format for sending international text messages is: international long distance access code ( ) country code (not 86) customer number.

For example:

a. Send a text message to a US mobile customer. The US country code is 1, the customer number is 6151234567, and the destination number is 0016151234567 or 16151234567.

b. Beijing Mobile Company customers receive text messages from Greek mobile customers. The Greek country code is 30, the customer number is 2106177889, and the calling number displayed on the mobile phone is 00302106177889.

Sending international text messages in mainland China: the rate is 1 yuan/message