Introduction to Private Telephone Systems; KTS, PBX, Hosted PBX, IP Centrex, CTI, IPBX and WPBX, 2nd Edition

by Lawrence Harte and Robert Louis Flood

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  • ISBN10 0974278726
  • ISBN13 9780974278728
  • Publish Date 22 May 2005
  • Publish Status Active
  • Out of Print 14 July 2016
  • Publish Country US
  • Imprint Althos
  • Format Paperback
  • Pages 96
  • Language English