central office

from WordNet (r) 3.0 (2006)
central office
    n 1: (usually plural) the office that serves as the
         administrative center of an enterprise; "many companies
         have their headquarters in New York" [syn: {headquarters},
         {central office}, {main office}, {home office}, {home
         base}]
    
from The Free On-line Dictionary of Computing (8 July 2008)
central office

   <communications> The place where telephone companies terminate
   customer lines and locate switching equipment to interconnect
   those lines with other networks.

   (1995-03-20)
    

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