- published: 15 Jul 2013
- views: 1313501
A telephone line or telephone circuit (or just line or circuit within the industry) is a single-user circuit on a telephone communication system. Typically this refers to the physical wire or other signaling medium connecting the user's telephone apparatus to the telecommunications network, and usually also implies a single telephone number for billing purposes reserved for that user.
In 1876 the earliest lines were single electrically conducting metal wires directly connecting one telephone to another with the Earth forming the return circuit. Later in 1878 the Bell Telephone Company began to use two-wire circuits (called the local loop) from each user's telephone to end offices which performed any necessary electrical switching to allow voice signals to be transmitted to more distant telephones.
These wires were typically copper, although aluminium has also been used, and were carried in balanced pairs separated by about 25 cm (10") on poles above the ground, and later as twisted pair cables. Modern lines may run underground, and may carry analog or digital signals to the exchange, or may have a device that converts the analog signal to digital for transmission on a carrier system.
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Jeff Lynne's ELO - Telephone Line - Porchester Hall, London - November 2015
Telephone Call - Kraftwerk
Hello, how are you?
Have you been alright, through all those lonely
Lonely lonely lonely lonely nights?
That's what I'd say, I'd tell you everything
If you'd pick up that telephone, yeah yeah yeah
Hey, how you feelin'?
Are you still the same?
Don't you realize the things we did, we did
Were all for real, not a dream?
I just can't believe they've all faded out of view
Yeah yeah yeah, yeah yeah
Doowop dooby doo doowop
Doowah doolang
Blue days, black nights
Doowah doolang
When I look into the sky
The love you need ain't gonna see you through
And I wonder why
The little things you planned ain't coming true
Oh, oh telephone line
Give me some time, I'm living in twilight
Oh, oh telephone line
Give me some time, I'm living in twilight
Okay, so no one's answering
Well can't you just let it ring a little longer, longer, longer?
I'll just sit tight through shadows of the night
Let it ring for evermore, oh yeah yeah yeah
Doowop dooby doo doowop
Doowah doolang
Blue days, black nights
Doowah doolang
When I look into the sky
The love you need ain't gonna see you through
And I wonder why
The little things you planned ain't coming true
Oh, oh telephone line
Give me some time, I'm living in twilight
Oh, oh telephone line
Give me some time, I'm living in twilight
Oh, oh telephone line
Give me some time, I'm living in twilight
Oh, oh telephone line
Give me some time