How to fill in the user ID in the short message?

The filling method of user identification in SMS is as follows:

1, need to communicate, find a short message company that can do user identification short messages.

2. Business signing (account opening and recharging), indicating the platform account number and real-name authentication of the account number.

3. Fill in and submit the user identity SMS application form.

4. Bind the number, open the user identification message, and fill it in after approval.