VOIP网关,ATA 2FXS

议价
加入意向产品特点:
• 支持SIP 2.0(RFC 3261),TCP / UDP / IP,RTP / RTCP,HTTP,ICMP,ARP / RARP,DNS,DHCP(客户端和服务器),NTP,PPPoE协议,STUN,UPNP,TFTP等。
• 内置路由,NAT,网关和端口转发
• 支持从/到PSTN网络呼叫发起和终止
• 强大的数字信号处理(DSP),以确保卓越的音频质量; 先进的自适应抖动控制 • 和数据包丢失隐藏技术
• 支持各种语音编码,包括G. 711(A律和u律),G 729A / B等。
• 支持来电ID /名称的显示或块,保持,呼叫等待/闪断,呼叫转移,呼叫前转,带 • 和外的带内DTMF,拨号计划,等
• 支持透传传真和T. 38(待定)。
• 支持静音抑制,VAD(语音激活检测),CNG(舒适噪音
• 代),线路回声消除(G. 168)和AGC(自动增益控制)
• 支持标准的加密和身份验证(使用MD5和MD5-SESS DIGEST)
• 支持2层(802.1Q VLAN,802.1p优先级)和第3层的QoS(服务类型,区分服务,MPLS)
• 无需人工操作的防火墙/ NAT的支持自动NAT穿透
• 通过通过TFTP或HTTP内置IVR,Web浏览器或中央配置文件支持设备配置
• 通过TFTP支持固件升级或HTTP使用加密的配置文件。
• 支持成交量放大
• 支持可配置的呼叫进行音
• 超紧凑(钱包大小)和轻便的设计,为旅客伟大的同伴
• 小巧,轻便的通用电源适配器。
| 以太网端口 | 2个RJ45(100M BaseT的) |
| NAT /路由 | 是 |
| DHCP | 客户机/服务器 |
| FXS端口 | 2 |
| FXO端口 | 没有 |
| PSTN直通端口 | 没有 |
| 语音邮件指示器 | 是 |
| 语音编解码器 | G. 711(A /法),G。 723,G 729A / B,G 726,T 38 |
| 远程配置 | TFTP / HTTP |
Features:
• Supports SIP 2.0 (RFC 3261) , TCP/ UDP/ IP, RTP/ RTCP, HTTP, ICMP, ARP/ RARP, DNS, DHCP (both client and server) , NTP, PPPoE, STUN, UPNP, TFTP, etc.
• Built-in router, NAT, Gateway and port forwarding
• Supports call origination and termination from/ to the PSTN network
• Powerful digital signal processing (DSP) to ensure superb audio quality; advanced adaptive jitter control • and packet loss concealment technology
• Support various vocoders including G. 711 (a-law and u-law) , G. 729A/ B etc.
• Support Caller ID/ Name display or block, Hold, Call Waiting/ Flash, Call Transfer, Call Forward, in-band • and out-of-band DTMF, Dial Plans, etc.
• Support fax pass through and T. 38 (Pending) .
• Support Silence Suppression, VAD (Voice Activity Detection) , CNG (Comfort Noise
• Generation) , Line Echo Cancellation (G. 168) , and AGC (Automatic Gain Control)
• Support standard encryption and authentication (DIGEST using MD5 and MD5-sess)
• Support for Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
• Support automated NAT traversal without manual manipulation of firewall/ NAT
• Support device configuration via built-in IVR, Web browser or central configuration file through TFTP or HTTP
• Support firmware upgrade via TFTP or HTTP with encrypted configuration files.
• Support volume amplification
• Support configurable Call Progress Tones
• Ultra compact (wallet size) and lightweight design, great companion for travelers
• Compact, lightweight Universal Power adapter.
| Ethernet Ports | 2 RJ45 (100M BaseT) |
| NAT/ Router | Yes |
| DHCP | Client/ Server |
| FXS Port | 2 |
| FXO Port | No |
| PSTN Pass-through Port | No |
| Voice Mail Indicator | Yes |
| Voice Codec | G. 711 (a/ law) ,G. 723, G. 729A/ B, G. 726, T. 38 |
| Remote Configuration | TFTP/ HTTP |