Cisco ATA 191 Quick Start Guide

• VLAN configuration
• Cisco Discovery Protocol (CDP)
• Low-bit-rate codec selection
• User authentication
• Configurable tones (ringback tone, reorder tone, dialing tone, outside dialing tone, busy tone, call waiting
tone)
• Dial plan and PLAR
• SIP Proxy Server redundancy
• Privacy features
• User-configurable, call waiting, permanent default setting
• Comfort noise during silent period when using G.711u/a and G.729ab
• Caller ID format
• Ring frequency/voltage adjustment
• Hookflash detection timing configuration
• Type of Service (ToS) configuration for audio and signaling Ethernet packets
• Debugging and diagnostic tools
Supported Call Services
The following call services are supported on the ATA:
• IP address assignment—DHCP-provided or statically configured
• ATA 191 configuration by Cisco Unified Communications Manager configuration interface
• VLAN configuration
• Cisco Discovery Protocol (CDP)
• Low-bit-rate codec selection
• User authentication
• Configurable tones (ringback tone, reorder tone, dialing tone, outside dialing tone, busy tone, call waiting
tone)
• Dial plan and PLAR
• SIP Proxy Server redundancy
• Privacy features
• User-configurable, call waiting, permanent default setting
• Comfort noise during silent period when using G.711u/a and G.729ab
• Caller ID format
Cisco ATA 191 Analog Telephone Adapter Overview
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Cisco ATA 191 Analog Telephone Adapter Overview
Supported Call Services

Cisco ATA 191 Specifications

General

Fax Support	T.38 Fax Relay
Relative Humidity	10% to 90% (non-condensing)
Ports	2 FXS ports
Voice Protocol	SIP
Protocols	SIP, RTP, RTCP
Power	5V DC
Network Interfaces	10/100BASE-T Ethernet port
Operating Temperature	32°F to 104°F (0°C to 40°C)
Audio Codecs	G.711 (a-law and μ-law), G.729a, G.722, G.726
Voice Codecs	G.711 (a-law and μ-law), G.729a, G.722, G.726
Storage Temperature	14 to 140°F (-10 to 60°C)