Swale, Richad <br/><br/>
Voice over ip, systems and solutions 

 - UK  INSTITUTION OF ELECTRICAL ENGINEER  2001 
<br/><br/><label>ISBN: </label>0-85296-024-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>VOIP VOICE OVER IP
<br/><br/><label>Dewey Class. No.: </label>004.6 VOI