The national toll-free hotline, it's an advertising sales pitch, you can install Tencent cell phone butler to intercept it.

It intelligently intercepts stranger's numbers, intelligently intercepts all nuisance calls and stuff etc. It won't intercept normal calls and texts.

Also Tencent cell phone butler's cloud checking, cleaning up garbage, nuisance blocking, security search and other functions are very good and thorough.

Tencent Mobile Phone Manager has been certified by various domestic and international authorities, indicating that the functions of Tencent Mobile Phone Manager are at the world's leading level, so that users can use it with confidence.

Hope to help you, hope to adopt thank you