Swedish telephone company started experimenting P2P cell phone service free of charge

It seems that Swedish mobile phone company has started the experiment of mobile phone service using P2P method.

By communicating between mobile phones without using base stations, it will be possible to use mobile phones even though they can not lay down base stations. Moreover, the calling charge is free.

Details are as follows.
BBC NEWS | Technology | Mobile system promises free calls

According to this article, TerraNet, a Swedish mobile phone company, conducted experiments on technology developed to enable mobile phones to be used in remote areas such as remote areas such as remote areas and desert where base station installation is impossible, Tanzania and Ecuador It seems that it started with.

This is to make TerraNet's mobile phone terminals communicate with each other by P2P so that the call can be made without a base station, and the calling fee is free when not using the base station. The distance that TerraNet's mobile phone terminals can communicate with each other is within a radius of 1 km, and it becomes possible to talk with a far-away party by networking terminals within 1 km.

I think that it is a revolutionary service, but if this terminal gets popular in urban areas, I do not care where mobile phone companies will benefit.