ShoreTel 11.1 107
C
HAPTER
9
Network Requirements and
Preparation
Use the information in this chapter to determine specific network requirements for the
ShoreTel system. After determining the network requirements, you will be ready to
configure your network appropriately.
9.1 Checklist
Review the following planning topics before proceeding to the next chapter:
9.2 Overview
The ShoreTel system is an IP-based voice solution deployed across your IP network. This
allows the components of the system to be located anywhere on your IP network, resulting
in a single system for all your voice applications at all locations. This single system
approach significantly reduces the complexity associated with legacy systems that consist
of multiple PBXs, multiple voice mail systems, multiple auto-attendants, and multiple
automatic call distribution systems, each with their unique management interfaces.
Since the ShoreTel system becomes another application on your IP network, it is important
to understand how the system integrates with your data network. As you migrate your
network to include voice as another application across your wide area network, it becomes
necessary for your IP LAN and WAN to provide a network that meets the requirements for
Task Description
Advantages of Voice Over IP page 108
Understanding the Requirements for Toll-Quality Voice page 108
WAN Technology Choices page 121
IP Address Assignment page 122
Time Services page 126
Virtual Private Network (VPN) page 127
Firewalls page 129
Media Encryption page 131
Session Initiation Protocol (SIP) page 132
Example Network Topologies page 132
Computing Admission Control Bandwidth page 133
Table 9-1 Network Requirements and Preparation Checklist
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