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Cisco ATA 190 User Manual

Cisco ATA 190
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1-7
Cisco ATA 190 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)
OL-31821-01
Chapter 1 Cisco ATA 190 Analog Telephone Adapter Overview
Software Features
Hookflash detection timing configuration
Configurable onhook delay
Type of Service (ToS) configuration for audio and signaling ethernet packets
Debugging and diagnostic tools
Modem Standards
The ATA 190 supports the following modem standards:
V.9 0
V.9 2
V.4 4
K56Flex
ITU-T V.34 Annex 12
ITU-T V.34
V.32bis
V.3 2
V.2 1
V.2 2
V.2 3
Fax Services
The ATA 190 supports two modes of fax services, in which fax signals are transmitted using the G.711
codec:
Fax pass-through mode—Receiver-side Called Station Identification (CED) tone detection with
automatic G.711A-law or G.711µ-law switching.
T.38 Fax Relay mode: The T.38 fax relay feature enables devices to use fax machines to send files
over the IP network. In general, when a fax is received, it is converted to an image, sent to the T.38
fax device, and converted back to an analog fax signal. T.38 fax relays configured with voice
gateways decode or demodulate the fax signals before they are transported over IP.
Note Success of fax transmission depends on network conditions and fax modem response to these conditions.
The network must have reasonably low network jitter, network delay, and packet loss rate.
Methods Supported
The ATA 190 supports these methods. For more information, see RFC3261 (SIP: Session Initiation
Protocol).
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Cisco ATA 190 Specifications

General IconGeneral
Ports2 FXS ports
Operating Temperature32 to 104°F (0 to 40°C)
Network Interface10/100BASE-T Ethernet
Protocol SupportSIP
Power Supply5V DC
Voice CodecsG.711a, G.711u, G.729a, G.729ab
Relative Humidity10 to 90% noncondensing

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