Davidson, Jonathan.
Voice over IP fundamentals / Jonathan Davidson, James Peters, with contributions by Brian Gracely. - Indianapolis, IN : Cisco Press, c2000. - xx, 373 p. : ill. ; 24 cm. - Cisco Press fundamentals series .
Includes index.
1578701686
99061716
Internet telephony.
TK5105.8865 / .D38 2000
004.6
Voice over IP fundamentals / Jonathan Davidson, James Peters, with contributions by Brian Gracely. - Indianapolis, IN : Cisco Press, c2000. - xx, 373 p. : ill. ; 24 cm. - Cisco Press fundamentals series .
Includes index.
1578701686
99061716
Internet telephony.
TK5105.8865 / .D38 2000
004.6