Carhee, Stephanie L.  <br/><br/>
The Road to Ip Telephony: How Cisco Systems Migrated from Pbx to Ip Telephony 

 - FIRST 
 - USA   Cisco Systems  2004 
 - xxxi;376P. 
<br/><br/><label>ISBN: </label>9781587200885 
<br/><br/><label>Subjects--Topical Terms: </label>--BEFORE YOU BEGIN--A CISCO EVOLUTION
<br/><br/><label>Dewey Class. No.: </label>004.6.CAR