ISO Code： CN
Dialing code ：+86
Alphanumeric Sender ID ： NO
Numeric Sender ID ： NO
Signature: China mainland have no Sender ID, and the Signature's function is similar to Alphanumeric Sender ID. They all used to show your brand.And all SMSs to China mainland must contain a signature at the beginning of the SMS body. And please be noted that the Signature is a part of SMS message body, so the
e.g.【YCloud】Your verification code is 8888.
How can I register the signature?
Signature should be pre-registered. You can contact our online web service or email@example.com. And for the application, we need the following details with regards to your business:
Your original business license or a copy of the business license with the company seal.
Your official website address.
Your message template for each type of message that you plan to send.
Most important, your signature's name, such as "YCloud", "TikTok". And please keep the signature's length between 2 ~ 20 without punctuation, spaces.
China mainland has a strict regulation about the SMS content sent. Most messages are required to go through manual review. Due to the regulations in China, there are a number of limitations to be aware of:
Promotion messages：promotion messages must go through the pre-registration procedures and are subject to approval. If you need send promotion messages , Please contact us at firstname.lastname@example.org.
Message count ：1 SMS contains 70 words, If it exceeds 70 words, it will be calculated as 67 words per item.