Alan B. Johnston
Alan B. Johnston has written at least 3 books. Their most popular book is Counting from Zero with 3 saves with an average rating of 2⭐.
SIP: Understanding the Session Initiation Protocol, Second Edition
ByAlan B. Johnston
2003 • 316 pages
Internet Communications Using SIP
ByHenry Sinnreich,Alan B. Johnston
2001 • 332 pages