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
bandwidth to support VoIP
communications?
Make sure that there is more bandwidth
available for VoIP communications than the
amount actually 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 Private Network). The IPCMPR/
IPCEMPR/IP-EXT16 cards are not intended
for use on the Internet (including an Internet
VPN).
Yes
No
Type of IP network:
p. 17
2-b Is it possible to have static IP addressing?
Yes
No
p. 17
2-c
Does only a single router provide access to
the IP network?
Yes
No
p. 17
2-d
Does the router not use network address
translation (NAT/NAPT)?
Yes
No
p. 18
2-e
Is there only a single IP network between 2
ends of a call?
Yes
No
p. 19
2-f
Are the network devices located
appropriately for effective VoIP
communications?
It is recommended to connect the PBX as
close to IP telephones and the IP network
interface as possible.
Yes
No
p. 20
24 IP Networking Guide
2.2 VoIP Requirements Checklist