I want to ask how to record the telephone recording.

Operation method: 1. If the phone has a built-in total recall function, you can find the "Tape" icon in the call interface and click it to start recording.

2. If this function is not built into the mobile phone, you can turn on the hands-free function during the call, and then open the "recorder" APP of the mobile phone to record the content of the call.

Tips for using mobile phones: 1. If the wifi signal of the mobile phone is not good, you can change the channel of the router or reset the router.

2. After turning on the GPS function, the positioning of the mobile phone will be more accurate, and GPS can be turned on when using the map software.

3. If you want to improve the call quality, you can turn on the volte function. Volte is a high-definition voice call. To turn this feature on, you need to send a short message to the operator. After the application is successful, the operator will send a text message to inform the user.

Data expansion: Recording is the process of recording sound signals on media. The process of reproducing sound from a signal recorded on a medium is called playback. The two processes of recording and playing are collectively called recording and playing. Common ones are record playing, tape playing and CD playing. As far as recording and playback systems are concerned, there are mono and stereo recording and playback systems.

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