ISDN Switches » History » Revision 2
Revision 1 (laforge, 08/27/2023 10:14 AM) → Revision 2/12 (laforge, 07/08/2024 07:14 AM)
h1. ISDN Switches
ISDN Switches (or ISDN exchanges) were digital telephony exchanges supporting the ISDN protocol.
All major manufacturers of telephony switching equipment produced ISDN-capable switches at some point. In Germany, Alcaltel S12 and Siemens EWSD were the two widely deployed ISDN switches.
h2. Preserved digital telephony switches (mostly ISDN capable)
|_.Manufacturer|_.Model|_.Used in Country|_.Location/Owner|_.Operational|_.24/7|_.Contact|
|Siemens|EWSD|Germany|@jolly (Dörphof, Germany)|Yes|No|@jolly|
|Siemens|EWSD|Czech Republic|Brno, Czech Republic|Yes|Yes|jpesak|
|Siemens|EWSD|Germany|MSPT Heusenstamm, Germany|Yes|No|?|
|Siemens|EWSD|Germany|Kiel?|Yes|No|@wimpy|
|SEL Alcatel|S12|Germany|Fernmeldemuseum Bottmersdorf, Germany|No|No|?|
|SEL Alcatel|S12|Germany|MSPT Heusenstamm, Germany|No|No|@NT2MKU|
h2. Further reading
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