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Meanings and definitions for EWSA
What does EWSA stand for? What does EWSA mean?
- The Elektronisches Wählsystem Digital (EWSD), translated to Electronic Digital Switching System in English, is a widely installed German telephone exchange system, originally introduced in 1975 by Siemens AG, but discontinued in 2017.EWSD can operate as a local end-office switch, a tandem switch, or in a combined configuration for landline or mobile telephone service.
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