Bell invented the first telephone, which consisted of the present receiver, used both as a transmitter and a receiver (the magneto type).

The telephone normally used in a business office.

"Don't use your telephone until morning."

You can also get help over the telephone from HMRC using the links below.

Since antenna length is proportional to wavelength, the new cordless telephones can use shorter antennae.

They apply to interactivity conducted by telephones, texts, using the red button, post or any other interactive service.

Television and cellular telephones use higher frequencies.

Rather, most sound-powered telephones use a dynamic microphone.

Domestic telephones use a primary trunk system, which is undergoing expansion.

It happens every time we shop using credit cards, use a telephone, open our e-mail or travel by plane.