Collins, Daniel,  1966- <br/><br/>
Carrier grade voice over IP / 
Daniel Collins. 
 - 2nd ed. 
 - New Delhi :  Tata McGraw-Hill,  c2003. 
 - xviii, 522 p. :  ill. ;  24 cm. 
 - McGraw-Hill networking professional .
<br/><br/>Includes bibliographical references (p. [499]-505) and index. 
<br/><br/><label>ISBN: </label>0070603235 
<br/><br/><label>LCCN: </label>2003267058 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony.
<br/><br/><label>Dewey Class. No.: </label>006.54