Child Boards

No New Posts General CO Talk

438 Posts
28 Topics

Last post by Babybearjs
in Re: Large "Bell System" ...
on March 18, 2021, 05:25:43 PM

No New Posts General PABX Talk

332 Posts
16 Topics

Last post by dsk
in Re: All systems has + & ...
on October 11, 2020, 04:48:04 PM

No New Posts General PAX & Intercom Systems

83 Posts
6 Topics

Last post by RB
in Re: Siemens exchange do ...
on May 15, 2021, 03:14:10 PM

No New Posts Exchange Names, Area Codes etc

327 Posts
14 Topics

Last post by RotarDad
in Re: Evolution of Chicago...
on March 14, 2019, 10:18:56 PM

  Subject / Started by Replies / Views Last post
2 Replies
5728 Views
Last post May 12, 2020, 10:02:28 AM
by MADhouseTelephone
1 Replies
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Last post November 28, 2012, 08:03:38 PM
by AE_Collector
0 Replies
205 Views
Last post October 03, 2020, 09:41:56 AM
by RB
7 Replies
380 Views
Last post June 09, 2020, 12:30:22 PM
by TelePlay
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449 Views
Last post April 18, 2019, 03:33:48 PM
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0 Replies
603 Views
Last post March 08, 2016, 07:12:48 PM
by trainman
0 Replies
630 Views
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by David Ball
14 Replies
636 Views
Last post September 02, 2020, 06:44:59 AM
by escuta
6 Replies
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by escuta
0 Replies
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by trainman
6 Replies
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Last post September 23, 2019, 12:56:44 PM
by Dan/Panther
11 Replies
846 Views
Last post May 02, 2020, 08:26:23 AM
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1 Replies
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Last post November 26, 2016, 12:05:02 AM
by AE_Collector
6 Replies
908 Views
Last post January 09, 2020, 12:25:08 PM
by Dan/Panther
5 Replies
911 Views
Last post March 05, 2017, 02:30:24 PM
by Brinybay
555 schematic?

Started by RB

7 Replies
977 Views
Last post May 04, 2017, 01:35:01 PM
by RB
5 Replies
979 Views
Last post February 11, 2018, 01:23:23 AM
by Babybearjs
1 Replies
990 Views
Last post December 19, 2015, 08:23:09 AM
by DavePEI

 

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