Do I need a mobile phone verification code to log in to corporate secret letters?

you need a mobile phone verification code to log in to corporate secret messages. To register a corporate secret account, you need to enter your mobile phone number and SMS verification code. When a user logs in an account on a device other than the main device, he needs to enter the verification code received on the main device app for verification. Enterprise Secret Letter app is a software produced and distributed by Hangzhou Ansiyuan Technology Co., Ltd. to ensure the security of Internet office. Now there is a lot of time to work online, and there are also many private contents in the enterprise that are not allowed to be seen by outsiders. Security is very important. In order to deal with the network threat of Internet mobile office and ensure the security of enterprise communication data, instant messaging application is created. Enterprise Secret fully supports Android, iOS, Windows, OSX and domestic operating systems.