Do not sign up with this company. They are thieves and criminals. Their calls drop EVERY 5minutes or 15 if you're lucky. They calls are not clear. I've been on the internet chatting with my husband on yahoo and i've called his number and it will say the number is switched off and it's on. Don't waste your $50/month. Get Magicjack that's $19/year. My Nigeria Mobile is not a legitimate company. You have been warned.