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Wowtek Technology ( Shenzhen ) Co., Limited

19 C, Block B, Neptunus Building, Chuangye Road, Nanshan Distric,Shenzhen,Guangdong,China

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Sip Gateway (1/2 Port FXS ATA)


ATA-201S / ATA-202S Plus

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Shenzhen, China








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Product Specification

Brand Name : -

Product Description


ATA202S plus and ATA201S plus are 1/2 analog phones set SIP device which allow user to make or receive VoIP

call through ITSP. This device is suitable for single user for ITSP service provider to install at home or office with

affordable price and convenience installation.


To select freely up to 5 SIP service Accounts

ATA is appropriate to use for VoIP Service Providers, IP Centrex service and IP-PBX within offices and remote branch offices. Up to 5 SIP Servers/ITSP Service provider or alternative IP-PBX can be configured at both ATA201S plus and ATA202S plus simultaneously. You can dial one of five accounts number directly no hassle.


Suit to IP Telephony Service Provider

Both ATA201S plus and ATA202S plus are SIP IP device to connect with existing analog telephone set to make IP call. Its compact design and easy installation allow home user or single user to make or receive call just like an legend telephone call but less cost. It is compatible with broadband internet service device such as ADSL/Cable Modem and WiMax/3G Modem. It help ISP provider to provide Telephony service to existing customer without additional cable. It provides fast, easily, cost effective and remotely management feature to migrate from IPPBX to ITSP.




Ethernet port (RJ-45, 10/100 base-T)

1-WAN port, connect to IP Network

1-LAN port connect to PC with NAT

DC +12V power Jack

Reset key to return Factory setting


IP Network connection:

IPv4 (RFC 791)

MAC Address (IEEE 802.3)

MAC Clone Setting


Static IP

DHCP Client (RFC 2131), WAN port

DHCP Server, LAN port

Wire line speed more than 85MB at Bridge mode




VLAN : 802.1Q/1P

Virtual Server (DHCP Server IP range)

DNS Client

PPTP VPN Client tunnel 64 bits without compression

SNTP support Daylight Saving Time (DST) configuration

SNTP with time zone

TCP/UDP (RFC 793/768)

RTP/RTCP (RFC 1889/1890)


TFTP Client

QoS Support : ToS


SIP Protocol :

RFC3261 compliance

Support up-to 5 SIP Register Accounts

SIP Proxy compatible with brand name: Asterisk and Nortel

SIP UDP Protocol

Support SIP compact Form

SIP Session Timer (RFC 4028)

MD5 Digest Authentication (RFC2069/RFC2617)

Message Waiting Indication (RFC3842)

Event Notification (RFC3265)


Support Outbound Proxy

Support DNS SRV to locate SIP Server (RFC 3263)

Support STUN NAT Traversal

Support “rport” parameter (RFC 3581)


Audio Codec :

G.711 A-law/μ-law, G.729, iLBC, G.726

Silence Suppression


Jitter Buffer: Up to 32 packets

LEC: Line Echo Canceller

Packet Loss Compensation

Automatic Gain Control

In-band/out of band DTMF (RFC4733, RFC2833 / SIP INFO)

Adaptive/Configurable Jitter Buffer

Acoustic Echo Cancellation

Speed Dial

Phone Book ( up to 140 records )

Clock, Call-Duration display

Call History of Missed, Received and Dialed

Dialing Plan with drop, replace, Insert dialing digits

Selectable Call Progress Tone

Support Personal Melody Ring

Auto Answer Mode

Support Specified Line Calling


Call Features :

Caller ID display DTMF (before/after 1st ring) and FSK (before 1st ring)

Tone Generation: Ring, Ring Back, Dial, Busy, call waiting and congestion tone

Out-Band DTMF: RFC2833 and SIP Info

Voice Mail with Indication

Speed Dialing

Call Waiting/Switching between Calls

Call Forward (Busy, Unconditional, No Answer)

DND: Always ON or configurable period

Call Hold

Call Mute

Call Transfer

Flexible Dial Plan: Drop and Replace Rule

T.38 FAX: Enable or G.711 Codec A-law/u-Law Pass trough Codec

Alarm Ring Reminder

3-way conference call

Music-on-hold support (via IPPBX or local)


Hot Line

Support Peer to Peer Dialing

Volume Adjustment: Handset Volume (receiver) and Handset Gain (Transmitter) selection

Flash Time Detection: range from 70 to 2550 ms

ON-HOOK Voltage -48Vdc

Support 12/16Khz metering signal or Polarity reversal for Billing

Service Up to 1 Kilo-meter distance from ATA to analog telephone set

Global Country Impedance setting

CPC Delay: 2 to 5 seconds (Open Loop Disconnect time)

CPC duration: 10 to 1200ms


Administrative Telnet CLI and HTTP

2 Levels of User Access Right with Password protection




Contact Us

Contact Person :Mr. Thai

Company:Wowtek Technology ( Shenzhen ) Co., Limited

Address:19 C, Block B, Neptunus Building, Chuangye Road, Nanshan Distric, Shenzhen, Guangdong, China,518054


Mr. Thai < Wowtek Technology ( Shenzhen ) Co., Limited >
I want to know:

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