Chapter 1: Getting Started; Introduction To The Spa9000 Voice System - Cisco Small Business Pro SPA9000 Administration Manual

Getting Started

Introduction to the SPA9000 Voice System

SPA9000 Voice System Administration Guide
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This chapter introduces you to the SPA9000 Voice System by describing the
components and presenting several deployment scenarios.
This chapter is essential reading before you begin installing the equipment or
NOTE
configuring the system.
•
"Introduction to the SPA9000 Voice System," on page16
•
"Deployment Scenarios," on page18
•
"Initial Installation, and Configuration," on page 23
The SPA9000 Voice System is an affordable and feature-rich IP telephone system
that is designed especially for the Small and Home Office. The SPA9000 Voice
System uses standard TCP/IP protocols and can provide global connectivity
through any Internet Telephony Service Provider (ITSP) that supports the Session
Initiation Protocol (SIP).
At minimum, the SPA9000 Voice System includes a SPA9000 IP PBX and one or
more SPA900 series IP phones. These devices are connected through a switch to
a local area network. With an Internet connection, the SPA9000 Voice System can
subscribe to ITSP services to take advantage of low calling rates. With the
SPA400, the SPA9000 Voice System can connect to the Public Switched
Telephone Network (PSTN) to support analog phone lines. See
Voice System with the SPA9000 and SPA400" on page17
typical deployment.
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