| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| SIP Trunking | Hardcover | 978-1-58705-944-5 (1-58705-944-4) | 2010 | Christina Hattingh · Darryl Sladden |
| SIP Trunking | Paperback | 978-1-58714-441-7 (1-58714-441-7) | 2010 | Christina Hattingh · Darryl Sladden |