Cover Image

Centrex or PBX : the impact of IP /

Main Author: Abrahams, John R.
Other Authors: Lollo, Mauro.
Format: Book
Language:English
Published: Boston : Artech House, c2003.
Subjects:
Internet telephony.
Item Description:Includes index.
Physical Description:xvi, 161 p. : ill. ; 24 cm.
ISBN:158053497X(alk.paper)

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