Other Supported Protocols; Supported Sip Services - Cisco ATA 191 Administration Manual

Analog telephone adapter
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Cisco ATA 191 Analog Telephone Adapter Overview
• G.729a
• G.729ab
Check your other network devices for the codecs they support.

Other Supported Protocols

The ATA supports these additional protocols:
• 802.1Q VLAN tagging
• Cisco Discovery Protocol (CDP)
• Domain Name System (DNS)
• Dynamic Host Configuration Protocol (DHCP)
• Internet Control Message Protocol (ICMP)
• Internet Protocol (IP) v4 and IPv6
• Link Layer Discovery Protocol (LLDP)
• Secure Real-Time Transport Protocol (SRTP)
• Transmission Control Protocol (TCP)
• Trivial File Transfer Protocol (TFTP)
• User Datagram Protocol (UDP)
• Transport Layer Security (TLS)
• Secure Socket Shell (SSH)
• Network Time Protocol (NTP)
• HyperText Transfer Protocol (HTTP)

Supported SIP Services

The following SIP 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
Cisco ATA 191 Analog Telephone Adapter Administration Guide for Cisco Unified Communications Manager
Software Features
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