Mashable, the masters of the list format, introduce us to their selection of VOIP apps. for the iPhone with a few more introduced in the comments.
While the iPhone has not officially supported VoIP service, Apple isn’t saying it’s not allowed either. With all of that in mind, there are two camps of VoIP services popping up for the popular Apple device: official applications and Web based solutions. Each style has their pros and cons, but there is sure to be something in these eleven options to help you meet your needs.