「ツイッターやフェイスブックなどは、まずインターネットの先進ユーザーが使い始めて裾野が広がった。しかしLINEは逆。フィーチャーフォン ...

VoIP, or “Voice over Internet Protocol,” lets a business place or call center make and receive phone calls over the internet rather than a traditional phone line. As a result, VoIP is a far ...

A local provider and a phone line is all you need to get DSL internet, making the connection type a popular option in rural areas where cable and fiber lines don't reach. While availability is ...