VOIP网关HT503|双口网关|

ht-502

以太网接口

2 rj45 (lan/wan)

nat/router

yes

dhcp

client/server

fxsport

2

fxoport

no

pstn透传接口

no

语音邮件显示

yes

语音编码

g.711(a/?law), ilbc, g.723, g.729a/b/e, g.726, t.38(fax)

远程配置

tftp/http

电话接口

2 fxs接口, 2个sip帐号

网络接口

双10m/100 mbps, rj-45

led指示灯

电源, wan, lan, phone1 and phone2

出厂设置键

恢复出厂设置按键

voice over packet capabilities

voice activity detection (vad) with cng (comfort noise generation) and plc (packet loss concealment), dynamic jitter buffer, modem detection & auto-switch to g.711,
packetized voice protocol unit (supports rtp/rtcp and aal2 protocol), g.168 compliant echo cancellation, lec (line echo cancellation) with nlp

voice compression

g.711 + annex i (plc), annex ii (vad/cng format) encoder and decoder, g.723.1a, g.726(adpcm), g.729a/b/e, ilbc g.726 provides proprietary vad, cng, and signal power estimation voice play out unit (reordering, fixed and adaptive jitter buffer, clock synchronization), agc (automatic gain control), status output, decoder controlling via voice packet header

dhcp服务器端/客户端

yes, nat router or switched mode

ip传真

t.38 compliant group 3 fax relay up to 14.4kpbs and auto-switch to g.711 for fax pass-through (pending), fax datapump v.17, v.19, v.27ter, v.29 for t.38 fax relay

qos

diffserve, tos, 802.1 p/q vlan tagging

ip传输

rtp/rtcp

dtmf方案

flexible dtmf transmission method, user interface of in-audio, rfc2833, and/or sip info

ip信令

sip (rfc 3261)

保存

tftp, http, https (pending)

控制

tls/sips

管理

syslog support, https and telnet (pending), remote management using web browser, auto/manual provisioning system support layer 2 (802.1q, vlan, 802.1p), layer 3 qos (tos, diffsery, mpls)

电源

output: 12vdc / input: 100-240 vac/50-60 hz

环境湿度

operational: 32°-104°f or 0°-40°c
storage: 10°-130°f / humidity: 10-90% non-condensing

尺寸

(h x w x d)

25mmx 115mm x 75mm (when laying flat); 115mm x 25mm x 75mm (standing up)

short & long haul

ren3: up to150 ft on 24 awg line

呼叫功能

caller id display or block, call waiting caller id, call waiting/flash, call transfer, hold, forward, mute, 3-way conferencing

号码显示

bellcore type 1 & 2, etsi, bt, ntt, and dtmf-based cid

极性反转/闪烁

yes

emc

en55022/en55024 and fcc part15 class b

安全标准

ul