Dornheim, S <br/><br/>
Managing the PSTN transformation:  A blueprint for a successful migration to IP-based networks/  Print. 
By  Dornheim, S.- 
 - United State:  CRC PRESS Taylor & Francis Group,  C 2015 
 - xxxiii,190p.:  ill.;  28cm 
<br/><br/><label>ISBN: </label>9781498701051 
<br/><br/><label>Source: </label>B-40989 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet telephony<br/>Telephone systems
<br/><br/><label>LC Class. No.: </label>TK5105.8865  / D67  2015