Case Study: Corporate Network

Case Study: Corporate Network
Headquarters
512 kbps
512 kbps
512 kbps
512 kbps
512 kbps
512 kbps
Branch Office
Branch Office
Branch Office Branch Office
Branch Office
Branch Office
20 IP Phones
2,000 IP Phones
20 IP Phones
The IP telephony solution suggested by the team includes the following
requirements:
 2,000 IP phones at the main headquarters.
 40 IP phones at each of the 20 branch offices.
 Half of the IP phones will have voice mail accounts
 Provision for 50 analog gateways
 Two T1 gateways
 Videoconferencing facilities for all users. It must be possible for users to
conference between branch offices, and some conferences can involve up
to 30 participants.
www.syngress.com
Figure 4.8 Case Study: Corporate Network
Headquarters
512 kbps
512 kbps
512 kbps
512 kbps
512 kbps
512 kbps
Branch Office
Branch Office
Branch Office Branch Office
Branch Office
Branch Office
20 IP Phones
2,000 IP Phones
20 IP Phones
20 IP Phones
20 IP Phones
20 IP Phones
20 IP Phones
AVVID Clustering • Chapter 4 121
The customer does not want to spend more than what’s necessary, but does
not care to cut costs at the expense of performance or functionality.