- Author: Donohue Denise, Stewart Brent, Swan Jerold
- Language: English
- Year: 2008
![book Cisco voice gateways and gatekeepers [understanding and configuring GW/GK in complex VoIP networks]](/covers/files_170/2841000/4823137e526cc6bf186780ddccdfa6a8-g.jpg)
Cisco voice gateways and gatekeepers [understanding and configuring GW/GK in complex VoIP networks]
pdf
- Author: Mallory David, Donohue Denise, Salhoff Ken
- Language: English
- Year: 2006
- Author: Odom Wendell, Healy Rus, Donohue Denise
- Language: English
- Year: 2009
- Author: White Russ Donohue Denise.
- Language: English