Telecom failed to issue voice verification.

Telecom voice verification failed because the telecom voice verification failed. According to the open related information query, it shows that the telecom sends out a voice verification failure signal, which is a platform problem. One is the user's own problem, which may be that the local signal is weak, so he can't receive any calls, including voice verification code, and the other is the platform problem. Some SMS platforms are unstable, and customers cannot receive voice verification. The failure to receive the previous one is the cause of the inevitable loss of passenger traffic, so the telecom sends out a voice verification failure signal, which is a platform problem.