ShoreTel 8 Planning and Installation Guide 97
C
HAPTER
9
Network Requirements and
Preparation
Use the information in this chapter to determine specific network requirements for the
ShoreTel 8 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 8 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 8 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 toll-quality voice. The ability of your network to deliver this
Task Description
Advantages of Voice Over IP page 98
Understanding the Requirements for Toll-Quality Voice page 98
WAN Technology Choices page 111
IP Address Assignment page 112
Time Services page 117
Virtual Private Network (VPN) page 117
Firewalls page 119
Media Encryption page 121
Session Initiation Protocol (SIP) page 122
Example Network Topologies page 123
Computing Admission Control Bandwidth page 123
Table 9-1 Network Requirements and Preparation Checklist
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