VoIP Phone Service - http://www.ringcentral.com/phone-service/index.html?bmid=seo
Some of the big reasons why iPhone users should also have a VoIP phone service installed in their phones.
Having a VoIP phone service (http://www.ringcentral.com/phone-service/index.html) will greatly help iPhone users especially if they're like the ones who are usually on the road.
