Chapter 4, "Planning Phase," discussed the best practices in designing the LAN/WAN infrastructure, this chapter provides configuration steps and sample configurations for the devices based on the XYZ, Inc. network topology and requirements. Topics in this chapter include the following:
Understanding call-processing architecture
Selecting IP Phones
Designing network infrastructure:
Designing an IP addressing and VLAN scheme
Designing DHCP/TFTP services
Configuring QoS in LAN/WAN