David Mallory – författare
Visar alla böcker från författaren David Mallory. Handla med fri frakt och snabb leverans.
5 produkter
Cisco Voice Gateways and Gatekeepers
Av David Mallory, Ken Salhoff m. fl.
2006
674 kr
Lägg i varukorg
Deployments of voice over IP (VoIP) networks continue at a rapid pace. Voice gateways are an essential part of VoIP networks, handling the many tasks involved in translating between transmission formats and protocols and acting as the interface between an IP telephony network and the PSTN or PBX. …
Where on Earth Are We?
E-bok, 2020
57 kr
Lägg i varukorg
Do you like to travel? Do you want to travel the 50 USA states and/or the seven continents of the world? Join us for some of our travel adventures from the comfort of your home. It might inspire you to travel to some places we've enjoyed - from the Ice Hotel in Quebec, Canada to the Himalayas in …
