One late night many decades ago, I chanced upon a technical description of the Touch-Tone system. The book I was reading had an explanation of how each key on a telephone sends a combination of two ...

Phones have come a long way since the old landline days. Our smartphones are light, fast, and have more computing power than NASA used to put a man on the moon.* Some advances came not by adding ...

Wireless operators are fighting a growing backlash from parents angry at the exorbitant ring tone bills their children are racking up. At work is a teenager's penchant for reckless spending, helped ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 2 minutes In ...

If your organization is like most, you’re still paying a communications service provider for dial tone lines, typically delivered on copper cable. These are also called POTS lines (Plain Old Telephone ...

Does a cellphone have a dial tone? Mobile cellphone never have a dial tone. Before the cellphone came into common usage, a dial tone on a landline told you that the line was available; however, it is ...