Landis, Matthew M. <br/><br/>
The 3CX IP PBX tutorial  develop a fully functional, low cost, professional PBX phone system using 3CX /  [electronic resource] : 
Matthew M. Landis, Robert A. Lloyd. 
 - Birmingham [England] :  Packt Pub.,  2010. 
 - v, 212 p. :  ill. (some col.). 
 - From technologies to solutions .
 - From technologies to solutions. .
<br/><br/> Includes index. 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
<br/><br/><label>ISBN: </label>9781847198976 (electronic bk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone--Private branch exchanges.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>TK6397  / .L36 2010