Siemens EWSD » History » Version 2
laforge, 08/27/2023 10:18 AM
| 1 | 1 | laforge | h1. Siemens EWSD |
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| 3 | Siemens EWSD (Elektronisches Wählsystem Digital) was a family of digital telephone switch (exchange) which was used by more than 300 telephone operators in more than 100 countries world-wide, serving more than 170 million subscriber lines in 1998. |
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| 5 | According to Siemens, there were more than 1600 engineers involved in EWSD software development in Munich alone, creating more than 45 million lines of code. |
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| 6 | 2 | laforge | |
| 7 | EWSD was not only used for analog and ISDN telephony, but also as FuVSt (radio exchange) for the German C-Netz analog cellphone system, as well as as MSC (Mobile Switching Centre) for digital GSM cellular networks. |
