Wallace, Kevin <br/><br/>
Voice over IP first-step / 
Kevin Wallace 
 - Indianapolis, Ind. :  Cisco Press,  2006 
 - 304 p. :  ill. ;  23 cm 
 - First-step series .
<br/><br/><label>ISBN: </label>1587201569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony