The company sells a device to you that you can use with your traditional phone system to make free calls within the U.S., thus making your monthly bill disappear.
Ụlọ ọrụ ahụ na-erere gị ngwaọrụ ị nwere ike iji ya na ekwentị ekwentị gị na-eme ka oku na-aga na US, si otú ahụ na-eme ka ụgwọ ịkwụ ụgwọ gị kwapụ.