Cisco ATA 187 Manual page 5

Chapter 1 Cisco ATA 187 Analog Telephone Adaptor Overview
Hardware Overview
The ATA 187 is a compact, easy to install device.
Figure 1-4
The unit provides these connectors and indicators:
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The ATA 187 performs auto-negotiation for duplexity and speed and is capable of 10/100 Mbps,
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full-duplex operation.
Software Features
The ATA 187 supports these protocols, services and methods:
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OL-21862-01
ATA 187—Rear View
LINE 1 LINE 2 NETWORK
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.
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)
Figure 1-4 shows the rear panel of the ATA 187.
12VDC 1A
POWER
Hardware Overview
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