Davidson, Jonathan. , <br/><br/>
Voice over IP fundamentals / 
Jonathan Davidson, James Peters ; with contributions by Brian Gracely. 
 - xx, 373 pages :  illustrations ;  24 cm. 
 - Cisco Press fundamentals series .
<br/><br/><label>ISBN: </label>1578701686 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony.
<br/><br/><label>LC Class. No.: </label>TK5105.8865   / .D38 2000