Carrier grade voice over IP [electronic resource] /
Collins, Daniel.
Carrier grade voice over IP [electronic resource] / Daniel Collins. - 2nd ed. - New York : McGraw-Hill, c2001. - xvi, 479 p. : ill.
Includes bibliographical references and index.
Electronic reproduction.
Palo Alto, Calif. :
ebrary,
2009.
Available via World Wide Web.
Access may be limited to ebrary affiliated libraries.
Internet telephony.
Digital telephone systems.
Electronic books.
TK5105.8865 / .C65 2001eb
Carrier grade voice over IP [electronic resource] / Daniel Collins. - 2nd ed. - New York : McGraw-Hill, c2001. - xvi, 479 p. : ill.
Includes bibliographical references and index.
Electronic reproduction.
Palo Alto, Calif. :
ebrary,
2009.
Available via World Wide Web.
Access may be limited to ebrary affiliated libraries.
Internet telephony.
Digital telephone systems.
Electronic books.
TK5105.8865 / .C65 2001eb