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Cisco VG202 and Cisco VG204 Voice Gateways Hardware Installation Guide
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Overview of the Cisco VG202 and Cisco VG204
Voice Gateways
This chapter provides a brief description of the Cisco VG202 and Cisco VG204 voice gateways (VGs)
and contains the following sections:
•
Overview, page 1-1
•
Physical Description, page 1-2
•
Chassis Grounding, page 1-5
•
Memory, page 1-5
•
Port Numbering Conventions, page 1-6
•
Specifications, page 1-6
•
Software Elements, page 1-6
•
Interfaces and Service Capabilities, page 1-7
•
Cisco VG202 and Cisco VG204 Voice Gateway Deployment, page 1-7
Overview
The Cisco VG202 and Cisco VG204 voice gateways are analog voice gateways for the service provider,
commercial, and enterprise unified communication markets. Both voice gateways provide voice
connectivity to devices such as analog phones, fax machines, and modems.
The Cisco VG202 and Cisco VG204 voice gateways provide support for 2-FXS (Cisco VG202) and
4-FXS (Cisco VG204) ports and parity with Cisco IOS fax/modem, security, and Session Initiation
Protocol (SIP) features. Both voice gateways are configurable with Cisco Unified Communications
Manager Express (CUCME) or Cisco Unified Communications Manager (CUCM).
The Cisco VG202 and Cisco VG204 voice gateways support the following interfaces:
•
10/100 Fast Ethernet connection
•
RJ-11 Foreign Exchange Station (FXS) interface
•
DC input
Note
The Cisco VG202 and Cisco VG204 voice gateways are fixed- configuration voice gateways and do not
support interface cards.