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Key Systems (Electronic, 1A2 etc)

For discussion and information on electro-mechanical and electronic Key Systems.

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Electro-Mehanical Key Systems (1A1, 1A2 etc)

Posts: 1,172
Topics: 150

Last post: February 08, 2026, 08:52:34 PM Re: 247A KTU Touchtone A... by Dave F

Electronic Key Systems

Posts: 103
Topics: 18

Last post: February 06, 2026, 06:44:44 PM Re: ComKey 416 by Babybearjs

Panasonic (PBX) Key Systems

Posts: 1,609
Topics: 116

Last post: December 11, 2025, 08:36:51 PM Re: Panasonic KX-DT816 by going2west

Other Telephone POTS type Simulators
Any other simulators that provide POTS operations of rotary and/or DTMF telepones

Posts: 8
Topics: 2

Last post: December 03, 2019, 08:59:45 PM Re: Teltone TLS 3, 4 and... by cchaven

Go Down Pages1 2 3

Replies: 1
Views: 219

December 25, 2025, 06:29:34 AM
by poplar1

Replies: 0
Views: 714

February 21, 2019, 02:27:48 AM
by robert_m

Replies: 1
Views: 932

November 13, 2023, 02:56:04 AM
by poplar1

Replies: 0
Views: 942

April 12, 2020, 07:11:28 PM
by Babybearjs

Replies: 5
Views: 957

July 06, 2020, 12:00:30 AM
by Babybearjs

Replies: 3
Views: 1,019

February 19, 2019, 02:16:15 PM
by pdxjim911

Replies: 8
Views: 1,112

March 07, 2020, 04:40:55 AM
by Babybearjs

Replies: 2
Views: 1,112

September 08, 2020, 06:07:23 PM
by Babybearjs

Replies: 5
Views: 1,119

June 22, 2019, 03:41:37 PM
by Owain

Replies: 0
Views: 1,158

September 13, 2020, 05:16:22 AM
by Babybearjs

Replies: 2
Views: 1,220

April 19, 2024, 07:02:12 PM
by 5415551212

Replies: 4
Views: 1,228

March 16, 2024, 08:20:13 AM
by RDPipes

Replies: 1
Views: 1,232

July 03, 2021, 05:52:37 PM
by Doug Rose

The Met Set

Started by USWCboy

Replies: 2
Views: 1,238

April 28, 2024, 10:15:43 PM
by DTBell

K-Plan Forms

Started by JB-Alert

Replies: 6
Views: 1,254

February 21, 2019, 08:29:22 PM
by JB-Alert

Replies: 12
Views: 1,261

July 03, 2020, 04:49:11 PM
by Key2871

Replies: 8
Views: 1,304

April 30, 2019, 12:17:59 PM
by Hill Haven Telephone Company

Replies: 10
Views: 1,325

August 26, 2024, 01:58:34 AM
by 5415551212

Replies: 3
Views: 1,397

January 09, 2021, 12:00:14 AM
by 5415551212

Replies: 32
Views: 1,472

October 13, 2025, 05:16:17 AM
by RDPipes

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