Electronic Switching

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[1] 50 Year Birthday of the Number One Electronic Switching System

[2] Anyone Remeber the ESS Switches of the 70s/80s/90s?

[3] I have a question for those of you older then me

[4] Switched Access Remote Test System (SARTS) Bellcore Common Language sheet

[5] custom calling features

[6] Matra/Nortel Electronic PABX Exchange. Advice Needed.

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