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Cisco ATA 186 Installation and Configuration Guide
OL-1267-01
Chapter 2 Installing the Cisco ATA 186
Network Requirements
Network Requirements
The Cisco ATA 186 acts as a terminal on an IP network. You need the following
equipment:
• One or two standard analog telephone handsets.
• Ethernet connection.
• Gatekeeper or proxy server—Currently, there must be a device running ITU
H.323 or RFC 2543bis SIP-complaint software. The gatekeeper must be
running the applicable version of software for the features and protocol you
want to use.
• Voice Packet Gateway—Required if you are connecting to the Public
Switched Telephone Network (PSTN).
• Fax machine (optional).
• If you are using a firewall, Cisco recommends that it be a Cisco PIX firewall,
Version 5 or later versions.
Safety Recommendations
To ensure general safety, follow these guidelines:
• Do not open or disassemble this product.
• Do not get this product wet or pour liquids into this device.
• Do not perform any action that creates a potential hazard to people or makes
the equipment unsafe.
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