Suddenly I got a call saying that my number spread a lot of spam messages.

Maybe it's my internet phone.

Open Tencent Mobile Manager-Protection Monitoring-Harassment Interception

You can install Tencent mobile phone housekeeper, turn on the "harassment interception" function, and then set the interception mode to "only accept white list" or customize the interception mode to "intercept strangers' calls", so as to intercept VoIP accurately, and the telephone contact in work and life will not be affected by harassing calls!