• 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
9
Cisco ATA 191 Analog Telephone Adapter Overview
Supported Call Services
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