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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

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Building small exchange

Started by dc4code

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by TelePlay

 

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