Hanes,  David. <br/><br/>
Fax, modem, and text for IP telephony / 
David Hanes, Gonzalo Salgueiro 
 - Indianapolis, IN :  Cisco Press,  c2008 
 - xxvii, 574 p. :  ill. ;  23 cm. 
 - Cisco Press networking technology series. .
 - Cisco Press networking technology series .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781587052699 1587052695 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Facsimile transmission<br/>Modems<br/>Teletypewriters<br/>Internet telephony