1. First, click the "Voice Memo" that comes with Apple's mobile phone, and then click Enter.

2. After entering, click the red circle at the bottom center and click Start Recording.

3. Then press and hold the "honme" key of the mobile phone to return to the desktop. Turn on the dial button, enter the number and start dialing.

At this time, turn on the speaker of the dial-up interface, and you can start telephone recording.

5. After the call is completed, return to the voice memo, click the red heart to stop recording, and the file will be automatically generated and recorded.