Gladstone, Steve. , <br/><br/>
Testing computer telephony systems and networks / 
Steve Gladstone. 
 - 2nd ed. 
 - 1 volume  (various pagings) ;  22 cm. 
<br/><br/><label>ISBN: </label>0936648821 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone system.
<br/><br/><label>LC Class. No.: </label>TK6421   / .G52 1996