Soundwin S400 VOIP 语音网关

产品介绍

2 -4 analog lines fxs/fxo voip gateway

telephony specification:

      voice codec: g.711(a-law /μ-law), g.729 ab, g.723 (6.3 kbps / 5.3kbps)

      fax support : t.30 / t.38

      echo cancellation: g.165/g168

      fxo caller id detection : dtmf and fsk(optional)

      fxo hang up detection / anti-seized : tone learning automatically / manual tone

learning(optional)

      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 / registered failed bypass / unconditional bypass.

      12k hz and 16k hz metering(customized)

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

      adjustable volume : - 9 db ~ 9 db

      silence compression / vad

      auto dial for speed

      dynamic jitter buffer

      hot-line support

configuration & management

      web-based graphical user interface

      remote management over the ip network

      ftp firmware upgrade

      backup and restore configuration file

      syslog client support

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

      dimension : 260 x 130 x 35 mm

      weight: 900g (aluminum)

"Soundwin S400 VOIP 语音网关"的品牌为soundwin，类别是语音，类型为无线，配置接口是4