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Is Telkom South Africa currently replacing all Siemens® EWSD Digital Electronic Switching System units?
Siemens® EWSD (Elecktronisches Wahlsystem Digital) was a digital switching system used worldwide. EWSD was introduced in 1975 as a successor of the Elektronisches Wahlsystem (EWS), which only supported analog technology. In 2007, Nokia Corporation and Siemens AG formed a new company Nokia Siemens Networks, and responsibility of further development and shipments of the EWSD system became dependent on the new company. In 2013, after Nokia completed the acquisition of the Siemens stake in the company, Nokia Siemens Networks was rebranded Nokia Solutions and Networks and then, in 2014, Nokia Networks. Nokia now provides the Nokia Extranet Portal for Alcatel-Lucent Services. As of 2017, the EWSD product line had been discontinued. Nokia access is unavavilable today Sunday 2019/01/20 https://online.networks.nokia.com

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