The mobile phone call failed, and the SMS was not received when the US Mission was set up.

The mobile phone call failed, and the SMS was not received in the Meituan settings, which may be due to the arrears, or the mobile phone is set with a do not disturb mode. Cancel this mode, or just make sure your mobile phone number is not in arrears.

The phone call failed because the network was abnormal or the other party blacked you out. It is also possible that the antenna of the mobile phone is broken. Network reason: Call failure is usually a network anomaly. Sometimes in some places where the signal is not good, you will encounter the problem of call failure.