Dazzling Gateway series meet everyones demand
The ATA-17x series contain four models of gateway products: ATA-171, ATA-172, ATA-171P, ATA-171M. 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 telephone 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.

ATA-171/172/171P/171M

Physical interface
RJ-45 A. WAN X 1 for connecting to HUB or ATU-R directly B. LAN X 1 for PC connection RJ-11 A. Phone X 1 for ATA-171 B. Phone X 2 for ATA-172 C. Phone X 1, Line X1 for ATA-171P/ ATA-171M Dimension: 9.9 X 9.9 X 3.2 cm
ATA-171/172/171P/171M Order Information Interface Specification One Port FXS Two Port FXS One Port FXS + One PSTN backup line Port One FXS + One FXO

Network and Protocol

SIP v1(RFC2543), v2(RFC 3261) A. Outbound proxy B. Support backup proxy registration C. Support IP or domain name for primary and secondary proxy address and auto switching is enabled. IP/ICMP/ARP/RARP/SNTP TFTP Client/DHCP Client/PPPoE Client Telnet/HTTP Server DHCP Server For LAN Port NAT transversal A. STUN Support ToS Security A. HTTP 1.1 basic/digest authentication for Web setup B. MD5 for SIP authentication (RFC2069/RFC2617)
Model ATA-171 ATA-172 ATA-171P ATA-171M

Champagne Gold

Pearl White Metal Blue Metal Purple

Voice feature

Call function
Call Hold Call Waiting Call Forward Caller ID Flash Volume Adjustment Speed dial key Phone book Call Transfer between FXS, FXO and IP port (ATA-171M only) Call Forwarding between FXS, FXO and IP port (ATA-171M only) Support T.38 Fax
Voice codec A. G.711: 64k bit/s (PCM) Web Browser B. G.726: 16k/24k/32l/40k bit/s Telnet Voice configuration (ADPCM) TFTP C. G.729A: 8k bit/s (CS-ACELP) HTTP D. G.729B: adds VAD & CNG to G.729 Environment VAD : Voice activity detection AC Power CNG : Comfortable noise generation 100~240V Input 12V dc/output LEC : Line echo canceller Environment o o Packet Loss Compensation A. Temprature 0 C~40 C DTMF B. Hmidity10%~90%RH A. In-Band DTMF B. Out-Band DTMF C. SIP Info ADSL Modem Tone generation Internet WAN A. Ring Tone B.Ring Back Tone LAN C.Dial Tone Phone 1 D.Busy Tone Phone 2(ATA-172 only) E.Programming Tone
PSTN PSTN Backup (ATA-171P only)
Firmware and configuration update

ATA-171M

GATEWAY