A. B. · Alan Betts Robert Johnston · Alan J. · Alan Johnston
Artech House Publishers · John Wiley & Sons · VON Publishing
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Internet Communications Using SIP: Delivering VoIP and Multimedia Services with Session Initiation Protocol | 978-0-471-77657-4 | 2006 | Henry Sinnreich |
| Internet Communications Using SIP: Delivering VOIP and Multimedia Services with Session Initiation Protocol | 978-0-471-41399-8 | 2001 | H. Sinnreich |
| SIP Beyond VoIP: The Next Step in the IP Communications Revolution | 978-0-9748130-0-4 | 2005 | Henry Sinnreich · Robert J. Sparks |
| SIP: Understanding the Session Initiation Protocol, Second Edition | 978-1-58053-655-4 | 2003 | |
| Understanding Voice over IP Security | 978-1-59693-050-6 | 2006 | David M. Piscitello |