An incoming call is received, but the other party hears a prompt, indicating that the call is being shut down or being connected.
Probable causes and solutions:
1. Network side problem: Check whether the network signal is poor. If yes, replace the network with a good one, and restart the mobile phone.
In addition, do not turn on the switch of China Telecom's volte without applying to the telecom operator for enabling the volte. Otherwise, the call may fail to be connected.
3. The rejection or anti-disturbance function is configured on the mobile phone side. Generally, our mobile phone only provides the Do Not Disturb function, while other functions such as interference interception need to be implemented through third-party software.
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