Cisco Systems ATA187I1ARF manual Cisco ATA 187 Analog Telephone Adaptor Overview

C H A P T E R 1

Cisco ATA 187 Analog Telephone Adaptor

Overview

This section describes the hardware and software features of the Cisco ATA 187 Analog Telephone Adaptor (ATA 187) and includes a brief overview of the Session Initiation Protocol (SIP).

The ATA 187 analog telephone adaptors are handset-to-Ethernet adaptors that allow regular analog phones to operate on IP-based telephony networks. The ATA 187 support two voice ports, each with an independent phone number. The ATA 187 also has an RJ-45 10/100BASE-T data port.

This section covers these topics:

•Session Initiation Protocol Overview, page 1-2

•Hardware Overview, page 1-5

•Software Features, page 1-5

•Installation and Configuration Overview, page 1-9

Figure 1-1 Cisco Analog Telephone Adaptor

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Cisco ATA 187 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)

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