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中网万通 VONETS V-581 单口网络话机 支持SIP加密与防火墙(NAT)自动穿透



中网万通 VONETS V-581 单口网络话机 支持SIP加密与防火墙(NAT)自动穿透

产品编号: SIP-57
厂商品牌: 中网万通
计量单位:
产品重量: 1.000 kg
产品简介: 1LAN单口网络话机,适用SIP2.0等多种协议,支持SIP加密与防火墙(NAT)自动穿透
货存状况: 需预定,5个工作日内到货
本店价格: 280.00
积分点数: 3
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企业客户、团购批发及大宗订单折扣,请拨打021-61021281向王先生咨询。

详细介绍

产品特性

    • 支持SIP2.0(RFC3261)、TCP/UDP/IP、RTP/RTCP、HTTP、ICMP、ARP/RARP、DNS、DHCP、NTP、PPPoE、STUN、TFTP等协议
    • 使用强大的数字信号处理(DSP) 芯片以确保有极好的音频质量、适应抖动控制和隐藏报文丢失技术
    • 支持各种语音编码:包括G.711 (A-law和U-law) 、 G.723.1 (5.3K/6.3K) 、 G.726(40K/32K/24K/16K)、 G.729A/B和 iLBC
    • 支持来电显示/限制、保持、呼收等待/闪断、呼叫转移、呼叫转接、群内群外DTMF、拨号计划等
    • 支持三方会议
    • 支持SIP加密模式,防止封杀
    • 支持远程升级和升级配置功能
    • 支持静音抑制及静音检测(VAD) 、舒适噪声产生(CNG)回声抵消(G.168)和自动增益(AGC)
    • 持防火墙(NAT)自动穿透、用户无须改动防火墙设置
    • 支持通过内置Web页配置、TFTP 或 HTTP中央服务器远程配置

技术参数

终端(SIP2.0)
路由/桥/DHCP
以太网接口
1WAN(HT581)
FXS口
逃生口
尺寸
L28.5cm×W23.7cm×H8.3cm
重量
1.05kg
工作状态温度
0—40℃
湿度
10%—95%
电源适配器
AC IN:100V-240V 
DC OUT:+9V/600mA
使用功率:<2.5W
认证
FCC/CE

 
Product characteristics
    • Supports SIP 2.0 .Supports TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP, NTP, PPPoE.STUN,TFTP protocols  
    • Supports NAT, DMZ and port forwarding.
    • Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality, suit with the control of audio flutter and concealment technology anti-lost message.
    • Supports codes G711(A-law and U-law), G.723.1 (5.3K/6.3K), , G.726(40K/32K/24K/16K),  G.729A/B, and iLBC
    • Supports standard voice features such as Caller ID Display or Block, Call Waiting, Hold, Transfer Forward, FLASH, in-band and out-of-band DTMF, Dial Plans.
    • Supports three way call
    • Supports silence suppression and check VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control)
    • Supports auto-crossing firewall (NAT) but without changeable to setting.
    • Supports configuration by web browser, TFTP or HTTP central server to remote configuration.

      Technical parameter     

      SIP2.0

      YES

      Router / bridge

      NO

      DHCP

      YES

      Ethernet Port

      1 WAN (RJ45)

      Size

      L28.5cm×W23.7cm×H8.3cm

      Weight

      1kg

      Active status temperature

      0 – 40° C, 32° –104° F

      Humidity

      10—95

      Power supply adapter

      AC IN:100V-240V  

      DC OUT:+9V/600mA

      Use power<2.5W

      Authentication

      FCC/CE

      ABOUT DISTRIBUTOR:

      Digitalway Corp.,Ltd is a professional company in the Internet Communications  field of China. We offer low-cost, high-quality Skype Phones, SIP Products and other VoIP Products. We have some leading manufacturers in each field and have grown to become one of the major exporting companies in the region.
       
      Digitalway offers customers diversified products and complete sales services. We look forward to your comments on how we can provide you with even better service. If you have any questions or concerns about our products, please feel free to contact us.
       
      Digital Way Networks & Communications Technology Corp.,Ltd
      No.262 Dezhou Road, Pudong District
      Shanghai City
      Shanghai Province
      China
      Zip Code: 200126

      Tel: 0086-21-61021281
      Fax: 0086-21-68316541