With VoIP technology entering the mainstream, it brings the possibilities or huge profits for the companies that provide the service. The current promise of cost savings is driving more and more residential and business users to investigate this technology. But the local telephone companies are not going to give up customers without a fight.

There is a current mandate by the US federal government that all VoIP providers offer E911 service. The initial blocking of this information was with the public switched telephone network maintained by the major telephone companies.

The next stumbling block is