psychotaurusaqu
psychotaurusaqu on Hacker News
Re:Telephone Exchanges in the UK
on Sunday June 15, 2025 @06:25PM (#44285374)
Combination of Ericsson and GEC/Plessey/BT "System X" (see https://en.wikipedia.org/wiki/System_X_(telephony)). Erisson AXE10 was known as "System Y" in the UK and a hedge against buying exclusively System X equipment.