The road to IP Telephony : how Cisco Systems migrated from PBX to IP Telephony /

Bibliographic Details
Main Author:	Carhee, Stephanie L.
Corporate Author:	Cisco Systems, Inc
Format:	Book
Language:	English
Published:	Indianapolis, Ind. : Cisco Press, [2004]
Series:	Network business series.
Subjects:	Internet telephony. Telephone > Private branch exchanges.

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