SIP: Understanding the Session Initia- 9781580536554, Alan B Johnston, hardcover
SIP: Understanding the Session Initiation Protocol, Second Edition. Author: Johnston, Alan B. Release Date: 2003-01-01. Condition: Used: Acceptable. Qty Available: 1.
SIP: Understanding the Session Initiation Protocol, Second Edition. Author: Johnston, Alan B. Release Date: 2003-01-01. Condition: Used: Acceptable. Qty Available: 1.