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BCM 4.0 Networking Configuration Guide
Chapter 58
Prerequisites checklist
Before you set up voice over IP (VoIP) trunks or IP telephones on a BCM, complete the following
checklists to ensure that the system is correctly set up for IP telephony. Some questions do not
apply to all installations.
This guide contains informing on various aspects of IP networking directly related to IP telephony
functions. Refer to the BCM 4.0 Device Configuration Guide (N0060600) for specific information
about configuring the data portion of the BCM.
Complete the following checklists:
• “Network diagram” on page 481
• “Network devices” on page 482
• “Network assessment” on page 483
• “Resource assessment” on page 483
• “Keycodes” on page 484
• “System configuration for IP functions” on page 484
• “Finding the published IP address” on page 485
• “Media gateway parameters for IP service” on page 488
• “VoIP trunks” on page 490
• “IP telephone records” on page 490
Network diagram
To aid in installation, a Network Diagram provides a basic understanding of how the network is
configured. Before you install IP functionality, create a network diagram that captures all of the
information described in the following table. If you are configuring IP telephones but not voice
over IP (VoIP) trunks, you do not need to answer the last questions 1.d or 1.e.
Table 109 Network diagram prerequisites (Sheet 1 of 2)
Prerequisites Yes
1.a Has a network diagram been developed?
1.b Does the network diagram contain any routers, switches or bridges with corresponding
IP addresses and bandwidth values for WAN or LAN links?
1.c Does the network diagram contain IP Addresses, netmasks, and network locations of all
BCMs?
1.d Answer this if your system will use IP trunks, otherwise, leave it blank: Does the network
diagram contain IP Addresses and netmasks of any other VoIP gateways that you need to
connect to?
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