2.2 VoIP Requirements Checklist
Use the following
checklists to see if you can implement a VoIP network. The answers identified in
underlined
bold-face letters are the required answers for the corresponding questions.
Bandwidth Assessment
No. Question Answer Memo Ref.
1
Does the network have enough band-
width to support VoIP communications?
Make sure that
there is more bandwidth available
for VoIP communications than the amount actual-
ly required.
Yes
No
• IP network bandwidth
=
kbps
• Available bandwidth for VoIP
= kbps
• Required bandwidth for VoIP
= kbps
p. 14
Network Configuration
No. Question Answer Memo Ref.
2-a
Is the IP network a managed network?
Make sure to
use a managed IP network such as
Frame Relay, Leased Line, or IP-VPN (Virtual Pri-
vate Network). The IP-EXT card is not intended
for use on the Internet (including an Internet
VPN).
Yes
No
Type of IP network:
p. 14
2-b Is it possible to have static IP addressing?
Yes
No
p. 15
2-c
Does only a single router provide IP-PT ac-
cess to the IP network?
Yes
No
p. 15
2-d
Does the router not use network address
translation (NAT/NAPT)?
Yes
No
p. 16
2-e
Are the IP-EXT card and
IP-PTs located appro-
priately?
It is recommended to connect the card and IP-PTs
as close to each other on the network as possible.
Yes
No
p. 17
Network Devices
No. Question Answer Memo Ref.
3-a
Can the firewall pass packets from IP-PTs?
When a firewall is used, make sure to configure
the firewall appropriately
to allow VoIP packets to
pass through the network without being blocked
by filtering.
Yes
No
Model of firewall:
p. 17
Information about IP Proprietary Telephones 19
2.2 VoIP Requirements Checklist
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