Wide – Area Network Requirements – Minimize bandwidth costs – Maximize efficiency – Maximize performance – Support new/emerging
Signaling Between the Telephone and PBX A telephone can be in one of two
There is a lot of technology and a lot of issues that are important
This chart give you an idea of the range of Ethernet protocols including their
Well, the reality of the work environment today is that personnel is always changing.
Intranet VPNs: Link corporate headquarters, remote offices, and branch offices over a shared infrastructure