Donohue, Denise <br/><br/>
Ciscovoice gateways and gatekeepers 

 - New Delhi  Pearson Education  2007 
 - xxix, 619p.  24cm 
<br/><br/><label>ISBN: </label>9788131718100 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANALOG CIRCUITS<br/>SIP GATEWAY<br/>IP WAN<br/>MEDIA GATEWAYS<br/>VOICE GATEWAYS<br/>IP GATEWAYS<br/>IP GATEWAYS
<br/><br/><label>Dewey Class. No.: </label>004.695  / DON