Specification :

The Soundwin S800 Series VoIP Gateway is fully SIP and H.323 standard compliant residential gateway that provides a total solution for integrating voice-data network and PSTN. By simple installation, this revolutionary compact voice over IP ( VoIP) gateway could be configured as 8voice channels high density FXS/ FXO VoIP Gateway which provides voice connectivity over the IP network and to the Public Switched Telephone Network ( PSTN) .The Soundwin Gateway is equipped NAT router function that provides Internet access using only one IP address.
Besides, it provides high voice quality and optimized packet voice streaming over managed and public ( Internet) IP networks.

VoIP Key Features
Both support SIP and H.323 protocols:
SIP Registration and Digest Authentication; H.323 Gatekeeper Registration.
SIP Single Number / Account for multiple ports.
Caller ID Delivery: FXS support DTMF Caller ID generation.
Smart VoIP call Dialing Book: VoIP call Book could provide any application VoIP call to any
type destination ( Domain name / IP address, PSTN or PBX) or hunting number setting.
AC termination Impedance : 600/ 900 OHM and complex impedance
Answer Supervision for Polarity Reversal Detection and Voice detection
NAT traversal: This feature allow gateway to operate behind any NAT/ Firewall device. Need not
to change any configuration of NAT/ Firewall like setting virtual server.
Smart-QoS Guaranteed: This bandwidth management feature provide good voice quality when
user place a VoIP call and access internet at the same time. The gateway will automatically start to reserve bandwidth for voice traffic when VoIP call proceeds.
Call Hunting Facility: This function helps gateway to use the lines effectively. This facility
automatically transfers your incoming call to a free line. Subscribers need not indicate numerous numbers of each port of gateway.
Voice channels status display: This function display each port status like as onhook, offhook,
calling number callee’ s number, talk duration, codec.
Flash Detection and Generation Program: FXO support Flash Generation and FXS support Flash
Detection.
FXO answer Mode: FXO provides Ringing Answer, Connection Answer and Non Answer for
configuration.
FXO anti-seized mechanism : FXO provides busy tone auto-learning and manually configuration
busy tone learning..

Telephony Specification:
Voice Codec: G.711( A-law / ¼ -law) , G.729 AB, G.723 ( 6.3 Kbps / 5.3Kbps)
FAX support : T.30 / T.38
Echo Cancellation: G.165/ G168
FXS Tone Table Configuration: Support tone frequency and cadence configuration
FXO hang up detection / anti-seized : Busy Tone Learning Automatically / Manual Busy
Tone Learning.
Answer supervision: Support Battery Reverse Detection and Voice Detection.
FXO answer delay time: Support delay 0 – 8000 ms to answer.
Adjustable AC Termination Impedance : 600 / 900 OHM and complex Impedance
Failsafe Mechanism ( FXS relay to FXO) :
Power failed bypass support
Internet Failed bypass ( Optional)
Registered Failed bypass ( Optional)
Unconditional bypass. ( Optional)
12K Hz and 16K Hz Pulse Metering ( Customized)
FXS Battery Revere Generation
Support MWI ( Message Waiting Indicator) by SIP Notify.( Optional)

IP Specifications:
H.323 v2/ v3/ v4 and SIP ( RFC 3261) , SDP ( RFC 2327) , Symmetric RTP,
STUN ( RFC3489) , ENUM ( RFC 2916) , RTP Payload for DTMF Digits ( RFC2833) , Outbound Proxy Support.
LAN : Support Virtual Server, DHCP Server
WAN: Support PPPoE client, DHCP client, Fix IP Address, DDNS client
Network Address Translation: Providing build-in NAT router function.
Smart QoS: Guarantee the voice bandwidth
IP TOS ( IP Precedence) / DiffServ

Call Features
Voice channels status display
Direct Dialing Mode : peer to peer call ( support IP Address Call or Domain Name Call)
Register Call Mode : register to SIP Proxy Server or H.323 Gatekeeper
DSP Adjustable volume : - 9 db ~ 9 db
Silence Compression / VAD
Auto Dial for speed
Dynamic Jitter Buffer
Hot-Line and Warm-Line Support

Configuration & Management
Web-based graphical user interface
RS232 for configuration
Remote management over the IP network
FTP firmware upgrade
Backup and Restore Configuration file
Syslog client support
FTP method Auto-Provision ( Optional)

General Specification
AC power : AC100V-240V, DC12V/ 1.5A, 50/ 60 Hz
Temperature: 0° C ~ 40° C ( Operation)
Humidity: up to 90% non-condensing
Emission: FCC Part 15 Class B, CE Mark
RoHS Compliant
Dimension : 260 x 130 x 35 mm
Weight: 1200g ( Aluminum)