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SMS messaging regulations and direct connections for China

With more than 1,3 billion people and a growing economy, China is a fast growing market for mobile messaging and payments. Reaching Chinese people through mobile messaging comes however with some restrictions and features.

Director operator connections to China

CM Telecom can offer direct operator connections to Chinese carriers which improve sms message delivery considerably. Therefore, CM Telecom can provide good services for notifications and verification codes into China.

  • Service

A pre-registration of the service is needed, including a business registration form.

  • Long number

A dedicated long number as well as Sender ID is needed.

  • Content

Text messages require the signature of the client in between brackets in de message body text.

  • Links

Text messages containing URL links are not allowed in China and will most likely be blocked.

  • Message content length:

Chinese: 70 characters - [???*] (3+2 characters) = 65 characters

English: 160 characters - [ABC*] (3+2 characters) = 155 characters

  1. “您的验证码是 12345” (Simplified Chinese)
  2. “您的驗證碼是 12345” (traditional Chinese)


About CM:

Companies are always looking for the best way to reach their consumers and the rise of mobile technology offers them new opportunities to achieve this goal.

Founded in 1999, CM helps companies to interact with their customers through a multi-use mobile platform for SMS, Email and Appcare.

In addition to various messaging services, the platform also provides solutions for calling through SIP trunking, payment options for companies like Autocollect and online identification solutions such as two-factor authentication(2FA).

We offer a hybrid solution for companies to reach their target audience, anytime and anywhere.


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connects tens of thousands of companies with millions of consumers via their mobile phone each day. Behind the scenes, from our innovative platform, CM makes sure companies can use these millions of messages, phone calls and payments to become part of people’s lives.

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