This is regardless of whether you answer the calls or not. So, wrong numbers, telemarketers, etc., all count toward your total.
It can be any kind of phone & is for whatever phone you want to answer for, say your work phone(s), personal one(s), or a combination of both - whatever you want.
It can be any kind of phone & is for whatever phone you want to answer for, say your work phone(s), personal one(s), or a combination of both - whatever you want.