General CO Talk

Telephone CO Switching Equipment Sounds

Started by BDM

Replies: 1
Views: 1,979

March 29, 2009, 11:42:38 PM
by AET

Central office lines

Started by Phonesrfun

Pages1 2

Replies: 26
Views: 5,644

April 02, 2010, 05:13:46 PM
by gpo706

Weather and time #

Started by Kenny C

Replies: 4
Views: 1,424

December 01, 2010, 11:12:34 AM
by Adam

Bell System Collectible CO Stool

Started by Doug Rose

Replies: 2
Views: 4,980

June 18, 2011, 10:24:11 PM
by mariepr

Dial Speed and the Central Office

Started by Dan/Panther

Replies: 4
Views: 1,820

March 26, 2012, 05:02:54 PM
by bingster

Old Oslo Norway Telephone Exchange Pictures

Started by dsk

Replies: 1
Views: 1,506

September 14, 2012, 06:52:47 PM
by teka-bb

Verizon CO Cable Vault in Manhattan Destroyed by Hurricane Sandy

Started by AE_Collector

Replies: 6
Views: 6,008

November 27, 2012, 08:33:52 PM
by Just4Phones

E.164 telephone numbers and calling worldwide to local cost???

Started by dsk

Replies: 2
Views: 2,480

December 31, 2012, 04:53:15 AM
by dsk

Beep Beep Line - Talking Conference over CO Busy Signal

Started by Dennis Markham

Pages1 2

Replies: 23
Views: 11,486

June 23, 2013, 09:36:14 PM
by Shovelhead

end of POTS in michigan!?

Started by xhausted110

Replies: 2
Views: 6,074

December 07, 2013, 11:02:28 AM
by Russ Kirk

Looking for my Central Office.

Started by GusHerb

Replies: 13
Views: 4,753

July 25, 2014, 01:58:46 AM
by Babybearjs

For the folks that has interest in 2600 hz Trunks.

Started by Weco355aman

Replies: 0
Views: 1,483

February 18, 2015, 11:55:35 PM
by Weco355aman

Unknown Annunciator Alarm Cabinet

Started by Babybearjs

Replies: 0
Views: 1,272

December 17, 2015, 09:45:07 PM
by Babybearjs

Wire / Cable color codes: 1960's to now.....

Started by Babybearjs

Replies: 10
Views: 4,474

January 31, 2016, 06:54:49 PM
by Babybearjs

Hearing the phones switches back when calling years ago

Started by rtp129495

Replies: 9
Views: 3,122

March 06, 2017, 06:01:10 PM
by Jim Stettler

Fading POTS lines.

Started by Dan/Panther

Replies: 12
Views: 2,052

March 08, 2017, 06:16:05 AM
by KaiserFrazer67

Can anyone still dial a code number to make your own phone ring ?

Started by guitar1580

Pages1 2 3 4

Replies: 47
Views: 33,980

March 08, 2017, 06:20:59 AM
by KaiserFrazer67

Telephone Central Office Web Site

Started by Fabius

Replies: 12
Views: 2,535

July 19, 2017, 07:25:14 PM
by bellsystem

Does 'Called Subscriber Held' Still Exist?

Started by bellsystem

Pages1 2

Replies: 15
Views: 3,248

July 22, 2017, 11:56:04 AM
by TelePlay

Announcement of Copper Retirement

Started by mariepr

Pages1 2 3 4

Replies: 51
Views: 6,511

September 16, 2017, 06:36:35 PM
by Pourme