<Vol. 22> April 27, 2006

http://www.welltech.com

Key Benefits
  • Low-cost ATA/IAD
  • Built-in SOHO router lite function
  • Support T.38 FAX relay
  • Voice prompt and web configuration capability

 

Introduction

The ATA-17X series contain four models of gateway products: ATA-171, ATA-172 and ATA-171P. With outstanding design and dazzling appearance, Welltech ATA-17X series can satisfy all users and meet their different requirements. ATA-171/172 is one/two port analog telephony adapter, and user can connect with one/two analog phone set to enjoy VoIP application. ATA-171P is one-port analog telephone adapter plus one PSTN backup lifeline, which allows user to dial and receive PSTN/VoIP call in one identical phone set.

More info...
 

Application Diagram
 

Specification
Physical interface

  1. RJ-45
    A. LAN X 1 for connecting to HUB or ATU-R directly
    B. PC X 1 for PC connection

  2. RJ-11
    A. Phone X 1 for ATA-171
    B. Phone X 2 for ATA-172
    C. Phone X 1, Line X 1 for ATA-171P

  3. Dimension: 9.9 X 9.9 X 3.2 cm
Network and Protocol
  • SIP v1(RFC2543), v2(RFC 3261)
    • Outbound proxy
    • Support backup proxy registration
    • Support IP or domain name for primary and
      secondary proxy address and auto switching
      is enabled
  • IP/ICMP/ARP/RARP/SNTP
  • TFT Client/DHCP Client/PPPoE Client
  • Telnet/HTTP Server
  • DNS Client
  • NAT tranversal
    • STUN
    • UPnP
  • Support ToS
  • Security
    • HTTP 1.1 basic/digest authentication for Web
      setup
    • MD5 for SIP authentication (RFC2069/RFC2617)
Voice feature
  • Voice codec
    • G.711 : 64k bit/s (PCM)
    • G.723.1 : 6.3k/5.3k bit/s
    • G.726 : 16k/24k/32l/40k bit/s (ADPCM)
    • G.729A : 8k bit/s (CS-ACELP)
    • G.729B : adds VAD & CNG to G.729
  • VAD : Voice activity detection
  • CNG : Comfortable noise generator
  • LEC : Line echo canceller
  • Packet Loss Compensation
  • DTMF
    • In-Band DTMF
    • Out-Band DTMF
    SIP Info
  • Tone generation
    • Ring Tone
    • Ring Back Tone
    • Dial Tone
    • Busy Tone
    • Programming Tone
Call function
  • Call Hold
  • Call Waiting
  • Call Forward
  • Caller ID
  • Flash
  • Volume Adjustment
  • Speed dial key
  • Phone book
Firmware and configuration update
  • Web Browser
  • Telnet
  • Voice configuration
  • TFTP
  • HTTP
Environment
  • AC Power
    • 110~220 ± 10V
    • 60Hz ± 3Hz
  • Temprature : 0°C~40°C
  • Hmidity : 10%~90%RH
Order Information
Model
Interface Specification
Color
ATA-171 One Port FXS Champagne Gold
ATA-172 Two Port FXS Pearl White
ATA-171P One Port FXS + One PSTN backup line Port Metal Blue

Welltech Computer Co., Ltd.
TEL : +886-2-82265699
FAX : +886-2-82265799
http://www.welltech.com