They provided integrated wireless services, functioning as an intermediary between a company and its wireless carrier.

Customers had until this date to transfer their wireless phone number to another wireless carrier without loss of service.

It's not coming from peer to peer or phone to phone because wireless carriers have very good control over their own closed secure networks.

One can also log into their online account at the wireless carrier's website to see their peak minutes usage.

They are required by many wireless carriers to install applications on devices.