Cisco Systems ATA187I1ARF manual Hardware Overview, Software Features

Chapter 1 Cisco ATA 187 Analog Telephone Adaptor Overview

Hardware Overview

Hardware Overview

The ATA 187 is a compact, easy to install device. Figure 1-4shows the rear panel of the ATA 187.

Figure 1-4 ATA 187—Rear View

			12VDC 1A
LINE 1	LINE 2	NETWORK	POWER	197044

The unit provides these connectors and indicators:

•12Vb power connector.

•Two RJ-11 FXS (Foreign Exchange Station) ports—The ATA 187 supports two independent RJ-11 phone ports that can connect to any standard analog phone device. Each port supports either voice calls or fax sessions, and both ports can be used simultaneously.

•The ATA 187 has one network port—an RJ-45 10/100BASE-T data port to connect an Ethernet-capable device, such as a computer, to the network.

Note The ATA 187 performs auto-negotiation for duplexity and speed and is capable of 10/100 Mbps, full-duplex operation.

Software Features

The ATA 187 supports these protocols, services and methods:

•Secure Real-Time Transport Protocol, page 1-6

•Name Signaling Event based passthrough, page 1-6

•Transport Layer Security Protocol, page 1-6

•T.38 Fax Relay, page 1-6

•Voice Codecs Supported, page 1-6

•Other Supported Protocols, page 1-6

•ATA 187 SIP Services, page 1-7

•Modem Standards, page 1-7

•Fax Services, page 1-8

•Methods Supported, page 1-8

•Supplementary Services, page 1-9

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

OL-21862-01 1-5