PBX systems for IP telephony [electronic resource] / Allan Sulkin.
By: Sulkin, Allan.
Contributor(s): ebrary, Inc.
Material type: BookSeries: McGraw-Hill telecom professional: Publisher: New York : McGraw-Hill, 2002Description: viii, 487 p. : ill.Subject(s): Internet telephony | Telephone -- Private branch exchangesGenre/Form: Electronic books.Online resources: An electronic book accessible through the World Wide Web; click to viewNo physical items for this record
Includes index.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2009. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.
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