Switching to VoIP / Ted Wallingford.

More and more businesses today have their receive phone service through Internet instead of local phone company lines. Many businesses are also using their internal local and wide-area network infrastructure to replace legacy enterprise telephone networks. This migration to a single network carrying...

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Bibliographic Details

Online Access:	Full Text (via O'Reilly/Safari)
Main Author:	Wallingford, Ted
Format:	eBook
Language:	English
Published:	Sebastopol, CA : O'Reilly, ©2005.
Edition:	1st ed.
Subjects:	Internet telephony. Internet telephony