Can I send a verification code for free SMS?

According to the requirements, public places that provide WiFi Internet access services must implement real-name authentication, and public places that provide Internet access services must keep at least 60 days of online records for backup. Now, wifi authentication has been widely used in people's lives, including shopping malls, supermarkets, restaurants, hotels, scenic spots, cinemas, beauty salons and other commercial places.

According to the requirements of the Ministry of Industry and Information Technology, China has fully realized the real-name authentication of mobile phones, so the most suitable method for real-name authentication of wireless WiFi at present is "SMS authentication". SMS authentication. Receive the verification code through the mobile phone, and record the mobile phone number and online record. It is suitable for keeping identity information and online audit records in the network environment with large personnel flow.