HandyTone HT-502模拟电话适配器

[2008-2-23 15:45:07] 关键字：SIP

HT-502是基于SIP2.0标准的双口模拟电话适配器，双10M/100Mbps以太网口并内置高性能 NAT路由器，网口状态和信息等待LED，还带底座使该设备能竖起来放置。HT-502支持普遍的即插即用的特点，可注册两个帐号平台，为您提供传统和高级的通话功能

HT502提供加强型安全等级，在任何通话中使用对称性和非对称性语音编码/RTP完成自动系统配置，并且支持大部分常用的语音编码。

功能 & 性能

Universal Plug-in-Play (UPnP)
2 个FXS接口 (RJ11) w/可以使用2个 SIP 帐号平台
双10/100 Mpbs 网口(RJ45)/内置路由
高级功能:
   -来电显示, 呼叫等待, 三方会议,呼叫前转和后转
   -呼叫转移, 请勿打扰, 语音邮件, MLS 语音应答
   -T.38 传真, 可调整性拨号计划, IP直接呼叫
支持以下语音编码:
-G.711(a/u-law), G.723.1, G.729A/B, G.729E
-G.726-40/32/24/16 以及 iLBC
T.38 传真
TP/HTTPS/Telnet/TFTP 系统配置
SIP over TCP/TLS

使用电话和传真时通过IP连接
通过Web简单配置进行管理和安装
提供传统和高级的电话功能
便携式设计可在家里或路上使用

功能特性

	HT-502
以太网接口	2 RJ45 (LAN/WAN)
NAT/Router	Yes
DHCP	Client/Server
FXS Port	2
FXO Port	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

硬件指标

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)	25mm x 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