Cisco ATA 187 User Manual

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Cisco Analog Telephone Adapter 187 Administration Guide for SIP 1.0
OL-21862-01
Preface
Overview
The Cisco Analog Telephone Adapter 187 Administration Guide for SIP (Version 1.0) provides the
information you need to install, configure, and manage the Cisco ATA 187 Analog Telephone Adapter
(ATA 187) on a Session Initiation Protocol (SIP) network.
Audience
This guide is intended for service providers and network administrators who administer Voice over IP
(VoIP) services using the ATA 187. Most of the tasks described in this guide are not intended for end
users of the ATA 187. Many of these tasks impact the ability of the ATA 187 to function on the network,
and require an understanding of IP networking and telephony concepts.
Organization
This manual is organized as follows:
Chapter 1, “Cisco ATA 187 Analog Telephone
Adapter Overview”
Provides descriptions of hardware and
software features of the ATA 187 along with a
brief overview of the Session Initiation
Protocol (SIP).
Chapter 2, “Preparing to Install the ATA 187
on Your Network”
Provides information on the interactions
between the ATA
187, Cisco Unified
Communications Manager and other devices.
It also describes options for powering the ATA
187.
Chapter 3, “Installing the ATA 187” Provides information on how to connect the
ATA 187 hardware and load the QED and
firmware files.
Chapter 4, “Configuring the ATA 187 for SIP Provides information on how to configure the
ATA 187 to operate with Session Initiation
Protocol (SIP).

Cisco ATA 187 Specifications

General

Device Type	Analog Telephone Adapter
Protocol Support	SIP
Power Supply	External power adapter
Voice Codecs	G.711, G.729, G.726
Weight	0.3 kg
Operating Temperature	0 to 40°C (32 to 104°F)
Storage Temperature	-4°F to 140°F (-20°C to 60°C)
Relative Humidity	10% to 90% noncondensing