| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Cisco IP Telephony: Planning, Design, Implementation, Operation, and Optimization | Hardcover | 978-1-58705-157-9 (1-58705-157-5) | 2005 | Salman Asadullah |
| Cisco IP Telephony: Planning, Design, Implementation, Operation, and Optimization | Paperback | 978-1-58714-283-3 (1-58714-283-X) | 2005 | " |