Cisco Systems VG202XM manual Cisco VG204, and Cisco VG204XM Voice Gateways, Overview

C H A P T E R 1

Overview of the Cisco VG202, Cisco VG202XM,

Cisco VG204, and Cisco VG204XM Voice

Gateways

•Overview, page 1-1

•Physical Description, page 1-2

•Port Numbering Conventions, page 1-6

•Interfaces and Service Capabilities, page 1-6

•Software Elements, page 1-7

•Memory, page 1-8

•Hardware and Electrical Specifications, page 1-8

•Chassis Grounding, page 1-8

•Voice Gateway Deployment, page 1-9

Overview

The Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways are analog voice gateways for the service provider, commercial, and enterprise unified communication markets. These voice gateways provide voice connectivity to devices such as analog phones, fax machines, and modems.

The Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways provide support for 2-FXS (Cisco VG202 and Cisco VG202XM) and 4-FXS (Cisco VG204 and

Cisco VG204XM) ports and parity with Cisco IOS fax/modem, security, and Session Initiation Protocol (SIP) features. These voice gateways can be configured with Cisco Unified Communications Manager Express (CUCME) or Cisco Unified Communications Manager (CUCM).

The Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways support the following interfaces:

•10/100 Fast Ethernet connection

•RJ-11 Foreign Exchange Station (FXS) interface

•DC input

Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways Hardware Installation Guide

OL-15959-01 1-1