What is the mode of sending SMS international business?

[Sending format] Operation method of telecom users sending international short messages to each other in China 2) Sending international short messages to foreign mobile phone users The sending number format is: 00+ country code+user number. For example, when a telecom user sends an international short message to a mobile phone user in the United States, the American country code "00 1" should be added before receiving the number. 3) Foreign mobile phone users send international short messages to domestic telecom users: the sending number format is: 0086+ user number. [Operation method of sending short messages to each other when telecom mobile phone users roam around the world, Hong Kong, Macao and Taiwan] 1). Sending short messages to mobile phone users in Chinese mainland: directly input the other party's number, for example, directly input "133 12345678" to telecom users. 2) Send short messages to mobile phone users in other countries outside Chinese mainland: just enter "00+ country code+other party's mobile phone number". For more service benefits, click on "official website" customer service 220 below to answer your questions.