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Was that the 490L Overseas Autovon? I went to school for that phone switch in 1987 and was in the last class before they decommissioned it for the DOD. It had

• chiph 10y ago
  This was DSTE [0] connected to AUTODIN [1]. AUTOVON [2] was still around -- I only heard of Flash Override being used once, and the recipient of the call was sent back stateside shortly thereafter... We had a Siemens phone switch at that base, probably because AT&Ts 5ESS wasn't available at contract-signing time. At a later base I was at, they were installing the then-new X.400 system [3]. It didn't last long, as SMTP ate it's lunch. Which is funny, as I got to watch an IMP [4] get installed by the BBN [5] contractor that same year. [0] http://www.1882nd.com/images/DSTE.jpg http://www.1882nd.com/images/DSTE.jpg [1] https://en.wikipedia.org/wiki/Automatic_Digital_Network https://en.wikipedia.org/wiki/Automatic_Digital_Network [2] https://en.wikipedia.org/wiki/Autovon https://en.wikipedia.org/wiki/Autovon [3] https://en.wikipedia.org/wiki/Defense_Message_System https://en.wikipedia.org/wiki/Defense_Message_System [4] https://en.wikipedia.org/wiki/Interface_Message_Processor https://en.wikipedia.org/wiki/Interface_Message_Processor [5] https://en.wikipedia.org/wiki/BBN_Technologies https://en.wikipedia.org/wiki/BBN_Technologies