卖Dinstar IP PBX 4 Port 8 FXO外線VoIP ATA SIP Phone Gateway H304最好的价格

原廠 Dinstar DAG1000 4 FXO 8 FXO 4/8 Port FXO 外線 VoIP ATA SIP Gateway [支援SIP協議] [保固一年] 測試可與Asterisk / Elastix 系統連結使用，可與各大品牌IP總機使用 (Grandstream, Cisco, Avaya, Yeastar, EZUC+, etc) DAG1000-4O/8O一款多通道高接入型網關，為小型企業，家庭式辦公，遠程辦公室和多分支企業提供了一個低成本，操作簡單的IP語音電話解決方案。支持4個和8個FXO語音接口，用於連接傳統電信運營商電話線或模擬PBX。 CP值高，語音品質高的 SIP Gateway • 專業的語音處理晶片，具有高性能、全並發的呼叫處理能力 • 支援4個FXO語音接口 • 支援G.711、G.729、G.723，G.726，iLBC， AMR等編碼 • 支援語音、 和POS終端接入 • 網路接口：1* LAN，1* WAN, 10/100Mbps, RJ45 安全性高，穩定可靠 • 採用嵌入式操作系統 • 支持SIP TLS和SRTP加密功能 • 主要支持2種來電顯示格式： - 雙音多頻DTMF(DualTone MultiFrequency); - 頻移鍵控FSK (Frequency- shift keying); • 迴聲消除 • 多級用戶權限訪問管理 • 支持多種安全與加密協議，保障企業用戶通信安全 自動化配置，網路管理 • 支持SNMP/TR069標準網絡關係協議 • Dinstar綜合設備管理平台DMCloud系統，輕鬆管理分佈式部署的設備 • 提供遠程Web，遠程Telnet維護能力，提高運維效率 • 自動配置 DAG1000 is a multi-functional analog gateway offering seamless connectivity between IP-based telephony networks and legacy telephones (POTS), and PBX systems. The device offers 4 or 8 FXO ports, which is ideally suited for small and medium businesses, call centers and multi-location environments that need VoIP services. DAG1000 support the standard SIP protocol and it's compatible with leading IMS/NGN platforms and SIP-based IP telephony systems. Key Features * Cost effective gateway with 4/8 FXO ports * over IP (T.38 and Pass-Through) * Support IPv4 and IPv6 * TR069 and SNMP * Elastix/Broadsoft Certification * Multiple codecs: G.711A/U,G.723.1,G.729A/B etc. * Fully compatible with leading IMS/NGN, SIP based IP telephony system Physical Interfaces • Capacity DAG1000-4O, 4 FXO, RJ11 DAG1000-8O, 8 FXO, RJ11 • Ethernet Interfaces: 1* WAN, 3* LAN,10/100Mbps, RJ-45 • Console N/A Voice & F A X • G.711A/U law, G.723.1, G.729A/B, • Silence Suppression • Comfort Noise Generation(CNG) • Voice Activity Detection(VAD) • Echo Cancellation(G.168), with up to 128ms • Adaptive (Dynamic) Jitter Buffer • Programmable Gain Control • T.38/Pass-through • Modem/POS • DTMF mode: Signal/RFC2833/INBAND • VLAN 802.1P/802.1Q • Layer3 QoS and DiffServ FXO • Connector: RJ11 • Dial Mode: DTMF/Pulse Dialing • Caller ID: FSK, DTMF • Polarity Reversal • Answer Delay • Busy Tone Detection • No Current Detection VoIP • Protocol: SIP v2.0 (UDP/TCP),RFC3261 SDP,RTP(RFC2833), RFC3211, RFC3311 • RTP/RTCP, RFC • RFC4028 Session Timer • RFC3266 IPv6 in SDP • RFC2806 TEL URI • RFC3581 NAT, rport • Primary/Backup SIP Server • Outbound Proxy • DNS SRV/ A Query/NATPR Query • SIP Trunk • Early Media/Early Answer • NAT:STUN, Static/Dynamic NAT Network Features • Static/Dynamic IP • PPPoE • DHCP Client • IPv4/IPv6 • TCP, UDP,TFTP, FTP, ARP,RARP, Ping, NTP, SNTP, HTTP/HTTPS, DNS • Ping / Tracert • DHCP Option Software Features • Port Group • Web ACL • Telnet ACL • Action URL • Digitmap • Routing Rules based Prefixes • Caller/Called Number Manipulation Environmental • Power Supply: 100-240VAC, 50-60 Hz @ External Adapter DC12V • Power Consumption: DAG1000-4O: 12W DAG1000-8O: 20W • Dimensions(W/D/H): 242*152*40mm • Unit Weight: 1kg