20FXS+4FXO ports VoIP SIP gateway

WSS50 Access gateway series are specially desidned for medium and small enterprises.
It integrates the functions of VoIP Gateway and PBX, and is suitable to VoIP applications like long distance by-pass in medium and small enterprises/branches, IP-PBX, IP Centrex, PBX expansion. With WSS50-AG, the enterprises can save the buildup of a PBX system in implementing voice communication.The unique design structure of WSS50-AG quarantees flexible configuration based on the demand of enterprise users. Installed in a highly compact 1U chassis, WSS50-AG have the configurable Compact Flash Card;

WSS50 series access gateway include following model:

WSS50-16S            16 FXS Ports
WSS50-24S            24 FXS Ports
WSS50-8O              8 FXO Ports
WSS50-16O            16 FXO Ports
WSS50-16S/8          16FXS+8FXO Ports
WSS50-20S/4          20FXS+4FXO Ports
WSS50-8S/8            8FXS+8FXO Ports

Intelligent and Rich in Features:
WSS50-AG adopts embedded linux operating system. Equipped with powerful hardware
configuration and controlled by sophisticated software,the system supports multiple
functions and prpvides solutions to a variety of voice communication demands
in medium and small enterprise users. It includes PBX functions of Hunting Group, Auto/Manual
Attendant, 2nd Stage Dialing, Intercom, Caller ID(FSK/DTMF), Call Forwarding, Call
Waiting, Call Holding, Call Restriction, Anonymous Calling, Hotline, Fashion ring,
SMS and other PBX features, FXO functions of PSTN fail-over, Volume/Gain Adjustable,
Busy Detection, IP Dialer, as well as voice processing technologies of
RTP Redundancy, iLBC/GSM Voice Codec, FD Echo Cancellation. WSS50-AG supports SIP
and MGCP protocols, and is the ideal gateway for VoIP connection, IPPBX application
and PBX system construction of medium and small enterprises.WSS50-AG supports
configuration using web based user interface or text
commands, and auto upgrade. Through Unified Network Management system , the user
can remotely change configuration, upgrade software, collect performance
and statistics data, download LOG files, and send bug
alarms.

WSS50 series access gateway Compatible with CISCO, Nortel, HUAWEI, ZTE, Alcatel,
Asterisk (trixbox)

Main Applications:
Remote SIP access gateway for IP-PBX
IP based wide area PBX for enterprise, government branches and schools
VoIP Long Distance application for IP phone supermarkets and enterprises
Carrier primary and secondary line service
Small and home offices, Hotel, Call center


Signaling
VoIP Protocol: SIP V2(RFC3261);MGCP(RFC2705),TISPAN(IMS specialty)
OffHook Detection: FXS Loop Start, DDI (Hong Kong)
DTMF: SIP INFO;RFC2833 DTMF Relay; In-Band;

Key Features:
Codec: G.711Alaw; G.711 ulaw; G.729A;G.723.1;GSM; iLBC;
Echo cancellation: G.168; Tail Length 8/16/32 milliseconds;
Dynamic Jitter Buffer; Voice Activity Detector (VAD); and Comfort Noise Generator(CNG);

Calling Control: Called/Calling Number Mapping; Line Hunting;
FAX Processing: T.38 FAX Relay, T.30;


Other Special Feature:
FXO Bypass Line: A bypass FXO line is selected during a network failure or power
outage;
Auto Dial: DTMF mode;
Dual Telephone Number: Each line can be configured with two number; a PSTN number
and an extension number;
Support Color ring; SMS; call Forwarding, call Waiting, call Transfer; Hot line;
Caller id on call waiting ,Special purpose calling codes, Speed dial ,Redials
FXO port support second dialing or hot line mode;
Off-hook Detection: Loop start

Hardware:
Equipped TI high performance DSP processor;
CPU: Motorola Power PC 8250;
Flash Memory: 16Mb;
System Memory: 128Mb;
Maximum User Line Length: 3000 Meters;
Input Voltage: 110-240 AC; 50-60Hz;Input current 1AMP max);
FXS/FXO port connector: Champ 50;
Dimension (H*W*D):4.4*44*44cm;1U in height; 19"chassis;