Question: to stop calls you don't want
Options:
create a contact called "ignore" and make the ring tone of that contact silent. Add in whoever you don't want to talk to.
create a contact called "ignore" and make the ring tone of that contact alert. Add in whoever you don't want to talk to.
Answer: create a contact called "ignore" and make the ring tone of that contact silent. Add in whoever you don't want to talk to.