When you call your child, lover or friend, he hangs up and calls you.
If I use a free call, the caller will not be charged.
Are you worried about the cost of your calls?
Unlike a data call, it does not use or break data.
It’s okay if the other party does not have an app installed.
If you have only this app installed
You can use the call regardless of the device or program of the other party.
Feature phone Do not cover your smartphone.
I choose and use it.
By setting the delay time
You blocked the other party’s phone and prevented the call from being called right away.
You can increase the delay time or shorten the call time.