@Phone AT-22D H.323 Phone
Dialup Internet Access + Broadband Access (ADSL, Cable) Support model No. Dial-up Modem Ethernet NAT (Broadband) PSTN AT- 22D l l

Overview

The Ethernet/Modem Telephone AT-22D is a next generation H.323 IP Phone with ethernet and built-in modem interfaces that provides a cost-saving solution for small business/home users on their telecommunication needs. The AT-22D is following the open standard H.323 protocol to make sure that the user can easily install this IP phone on most of the existing VoIP(Voice over IP) services. By using the state-of-the-art DSP(Digital Signal Processing) technology, the AT-22D delivers outstanding voice quality that is very comparable to the PSTN voice quality. With the built in LCD display, the user can easily configure the AT-22D for first time installation in a few minutes.And besides the advanced VoIP functions in easy installation, AT-22D also provides rich telephone features such as the last number redial,call forward/transfer, call history, volume adjustment and speakerphone. AT-22D is your best VoIP solution in the new generation communication.

Applications

 ON NET (Peer to Peer)

OFF NET (VOIP to PSTN)

Features

• Built-in V.90 modem function let AT-22D dial-up to any ISP
• Volume control
• Call history Log
• LCD display
• Caller ID (VoIP)
• Last number redial
• Echo cancellation/compensation
• Excellent voice quality DSP technology
• remote Software updates/upgrades via ftp
• Interoperable with standards-based gatekeepers and gateways
• Remote management via Telnet, HTTP
• Support H.323 V4 Standard
• Support G723.1(6.3K/5.3K), G.729A/B, G.711(A-law/U-law) voice codecs
• Support Silence Suppression
• Support Voice Activity Dectection (VAD)
• Support Comfort Noise Generation (CNG)
• Ping function supported
• Passing through NAT devices
• 1-year warranty
[Dial-up]
•Data Rates from 300 bps to 56k bps (If needed in use, the rate can be limited by software)
•Data Modulation Standards V.90, V.34, V.432bis, V.22bis, V.22, V.23, V.21 and V.23 reversible(Minitel), Bell 212, Bell 103 Dialup Modem V.42 Error Control
•Country Code support
•V.42 Error Control
•V.42bis Compression
•Protected Against Surge and Over voltage on the Telephone Line

Software Specification

Standards

[Broadband]
• ITU H.323 v4, H.225, H.245
• IEEE 802.3
• 10/100 base-T
• PPPoE, DHCP

　
Management
•Telnet, http

Codec Option
[Broadband]
• G.711, G.729A, G.723.1

　

Hardware Specification

Power
•12VDC, 350mA

Dimensions
•17cm W × 6cm H × 22cm D

　

Weight
•0.73kg

　

Operating Temperature
•32℉ to 104℉ (0℃ to 40℃)

　

Operating Humidity
•10% to 95% noncondensing

•Regulatory Approvals
•UL
•FCC (Class B)
•EN