What's a good platform for voice verification code?

In fact, voice verification code and SMS verification code are similar, both of which are used to verify the identity of users, and they complement each other. It can also be said that voice verification code is a substitute for SMS verification code. When the SMS verification code is not sent in place, voice verification code can be used to supplement the transmission to prevent users from receiving the verification code. The eight-step SMS platform has the function of sending SMS verification code and voice verification code. You can test it if necessary. They have the opportunity to offer free tests.