Google voice

Google voice is good for important calls or if your on a vacation because you can use one number that Google voice gives you and can be linked to multiple phones in order to set your phones up to that one number theres a code sent to your phones that you have to verify. Nice thing about Google voice is if your in another country and you don't have a phone with you just simply use Google voice on your computer to make calls or send a texts from from your computer.