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CMS:Private Automatic Branch Exchange (PABX) Collection

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Private Automatic Branch Exchange (PABX) Collection

The Private Automatic Branch Exchange (PABX) Collection contains several PABXs with different underlying technologies and accompanying phones.

The collection contains the following items, all products of AT&T:

  • Dimension PBX (1970's-1980's)
  • 756 crossbar PBX (1960's)
  • 755 crossbar PBX (1940's-1950's)
  • 750 PBX (1930's)
  • 701B step by step PBX (1930's - 1970's)
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