Cisco Systems ATA187I1ARF manual ATA 187 SIP Services, Modem Standards

Chapter 1 Cisco ATA 187 Analog Telephone Adaptor Overview

Software Features

•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)

ATA 187 SIP Services

These services include these features:

•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

Modem Standards

The ATA 187 supports the following modem standards:

•V.90

•V.92

Cisco ATA 187 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)

OL-21862-01 1-7