
Chapter 58 Prerequisites checklist 483
BCM 4.0 Networking Configuration Guide
Network assessment
The following table questions are meant to ensure that the network is capable of handling IP
telephony, and that existing network services are not adversely affected.
Resource assessment
Answer the questions in the following table to determine if you have allocated sufficient resources
on the BCM for IP telephony.
For information about changing the DS30 split for the Business Communications Manager and
allocating media resources, refer to the “Determining the resources you require” on page 88 (data
sections).
Hardware restriction: IP telephony, including T.38 fax, cannot operate on a system that has
PEC Is installed on the MSC. Your system must have PEC IIIs.
Table 111 Network assessment
Prerequisites Yes No
3.a Has a network assessment been completed?
3.b Has the number of used and available switch ports in the LAN infrastructure been
calculated?
3.c Does the switch use VLANs? If so, get the VLAN port number and ID.
3.d Have the used, and available, IP addresses for each LAN segment been
calculated?
3.e Has DHCP usage and location been recorded?
3.f Has the speed and configuration of the LAN been calculated?
3.g Have the estimated latency values between network locations been calculated?
3.h Have the Bandwidth/CIR utilization values for all WAN links been calculated?
3.i Has the quality of service availability on the network been calculated?
Table 112 Resource assessment
Prerequisites Yes No
4.a Has an analysis been done to determine which DS30 split is appropriate for the
system? Has the DS30 split been changed to 3/5, if necessary?
4.b Have all necessary media resources for IP trunks, clients, vmail, IP music, or
WAN dialup been assigned or dedicated?
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