Chapter 1: Introduction - Avaya G250 Administration

Chapter 1: Introduction

The Avaya G250 and G350 Media Gateways are high-performance converged telephony and
networking devices that are located in small branch locations, providing all infrastructure needs
in one box — telephone exchange and data networking. The G250 and G350 each feature a
VoIP engine, WAN router, and Power over Ethernet LAN switch. The G350 provides full support
for legacy DCP and analog telephones. The G250 supports legacy analog telephones, but not
DCP telephones.
The G350 is designed for use in a 16-24 user environment, but can support sites with up to 40
stations. The G250 is a designed for smaller branch offices with two to eight users.
The G250 and G350 contain:
an advanced router
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a high-performance switch
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a Voice over IP (VoIP) engine
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a fax and modem over IP engine
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preservation of calls in progress when switching from one server to another (applicable to
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all connections except ISDN BRI)
support for contact closure
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Virtual Private Networks (VPN)
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Emergency Transfer Relay (ETR)
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When you add plug-in media modules to the G350, the G350 also supports:
Power over Ethernet (PoE) IP telephones
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DCP digital telephones
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Analog telephones and trunks
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E1/T1 trunks
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ISDN PRI trunks
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ISDN BRI trunks
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E1/T1 and USP WAN data lines
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on board ports
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USP ports
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The G250 supports the following on the device itself, without plug-in media modules:
Power over Ethernet (PoE) IP telephones
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Analog telephones and trunks
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