How to set the phone to be empty?

This method includes transferring the incoming call to an empty number, using interception software and turning off the mobile phone.

1. Transfer the incoming call to an empty number: you can transfer the incoming call to a non-existent number or an empty number, so that others will hear the prompt tone of the empty number when dialing.

2. Use interception software: You can use some interception software to intercept calls or text messages that you don't want to answer, so that the other party can hear the empty number prompt tone.

3. Turn off the mobile phone: Turn off the mobile phone or set it to flight mode, so that when others make a phone call, they will hear the prompt tone that cannot be connected.