Voice over IP :  systems and solutions / 
edited by Richard Swale 
 - xviii, 484 páginas :  ilustraciones 
 - BT Exact communications technology series ;  3 .
<br/><br/><label>ISBN: </label>0852960247 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telefonía por internet<br/>TCP/IP (Protocolo de redes de computadoras)
<br/><br/><label>LC Class. No.: </label>TK5105.8865  / V65