Ata 187 Sip Services; Modem Standards - Cisco ATA 187 Manual

Chapter 1 Cisco ATA 187 Analog Telephone Adaptor Overview
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ATA 187 SIP Services

These services include these features:
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Modem Standards

The ATA 187 supports the following modem standards:
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OL-21862-01
Domain Name System (DNS)
Dynamic Host Configuration Protocol (DHCP)
Internet Control Message Protocol (ICMP)
Internet Protocol (IP)
Real-Time Transport Protocol (RTP)
Transmission Control Protocol (TCP)
Trivial File Transfer Protocol (TFTP)
User Datagram Protocol (UDP)
IP address assignment—DHCP-provided or statically configured
ATA 187 configuration by Cisco Unified Communications Manager configuration interface
VLAN configuration
Cisco Discovery Protocol (CDP)
Low-bit-rate codec selection
User authentication
Configurable tones (dial tone, busy tone, alert tone, reorder tone, call waiting tone)
Dial plans
SIP proxy server redundancy
Privacy features
User-configurable, call waiting, permanent default setting
Comfort noise during silent period when using G.711
Advanced audio mode
Caller ID format
Ring cadence format
Silence suppression
Hookflash detection timing configuration
Configurable onhook delay
Type of Service (ToS) configuration for audio and signaling ethernet packets
Debugging and diagnostic tools
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Cisco ATA 187 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)
Software Features
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