Cisco ATA188-I2-A Administration Guide - Page 21
Cisco Analog Telephone Adaptor Overview
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CH A P T E R 1 Cisco Analog Telephone Adaptor Overview This section describes the hardware and software features of the Cisco Analog Telephone Adaptor (Cisco ATA) and includes a brief overview of the H.323 protocol. The Cisco ATA analog telephone adaptors are handset-to-Ethernet adaptors that allow regular analog telephones to operate on IP-based telephony networks. Cisco ATAs support two voice ports, each with an independent telephone number. The Cisco ATA 188 also has an RJ-45 10/100BASE-T data port. This section covers the following topics: • H.323 Overview, page 1-2 • Hardware Overview, page 1-5 • Software Features, page 1-7 • Installation and Configuration Overview, page 1-9 Figure 1-1 Cisco ATA Analog Telephone Adaptor 72209 ANALOCGISTCELOEPAHTONAE1A8D6APTOR The Cisco ATA, which operates with Cisco voice-packet gateways, makes use of broadband pipes that are deployed through a digital subscriber line (DSL), fixed wireless-cable modem, and other Ethernet connections. Note The term Cisco ATA refers to both the Cisco ATA 186 and the Cisco ATA 188, unless otherwise stated. OL-4804-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide for H.323 (version 3.0) 1-1