Dornheim, Sandra <br/><br/>
Managing the PSTN transformation :  a blueprint for a successful migration to IP-based networks / 
Sandra Dornheim 
 - Boca Raton, FL :  CRC Press,  2015 
 - xxxiii, 201 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781498701037 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony<br/>Systems migration--Management<br/>Internet telephony--Economic aspects<br/>Telephone systems--Technological innovations