Davidson, Jonathan. <br/><br/>
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 .
<br/><br/>Part I. PSTN (Page-3), Part II. Voice Over IP Technologies (Page-127), Part III. IP Signaling Protocols (Page-227), Part IV. Voice Over IP Applied (Page-307). 
<br/><br/><label>ISBN: </label>1578701686 
<br/><br/><label>LCCN: </label>99061716  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony.
<br/><br/><label>Dewey Class. No.: </label>004.6,DAV