Johnston, Alan B. <br/><br/>
SIP: Understanding the Session Initiation Protocol 

 -  Artech House  2001 
 - Artech House Telecommunications Library .
<br/><br/><label>ISBN: </label>9781580531689 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Network Protocols<br/> Networking <br/>Computer network protocols.,Internet telephony.,Multimedia systems.<br/>COMPUTERS