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Product :VOIP phone with FXO Dial Up Model number:NXD-804F VOIP Phone with FXO function description: NXD-804F voip phone is a state-of-the-art IP desktop phone incorporating ergonomic design, ease-of-use functionality, and the full power of IP telephony on the desktop. All delivered at an affordable price. Teliphone in the office means cost savings since the caller can either IP network or the PSTN, whichever is the least cost for each call. Interoperable with IP and PSTN networks NXD-804F Voip Phone works with your existing network and systems. voip phone''''s built-in dual port Ethernet hub can be used to connect the PC and IP phone on the same 10/100 base-T LAN, reducing wiring costs and complexity. Adds moves and changes are simple in a voip phone-equipped environment. NXD-804F also has a PSTN port, allowing you to dial out on the telephone network as well as on the IP network.Standards-based. Voip Phone interoperates with any standards-compliant VoIP gateways and PBXs. For new installations, cost-effective IP telephony solution. VoIP Phone NXD-804F Key Features: 1. Dual VoIP/PSTN interface IP-Phone;Easy to switch VoIP and PSTN via IP-Phone; 2. Voice Signaling: Support SIP simultaneous VoIP calls;Support SIP v2 Standard (RFC3261);Register up to 3 Server simultaneously;Support multiple dialing plan/Call hunting group;Adaptive Jitter Buffer function;Support multiple dialing plan/Call hunting group;Flexible Routing table and profile;Extensible by external IVR/CDR/Billing servers for value- added application; 3. Management: Web Interface Management;Support Auto-Provision System;Remotely configuration/Upgrade by Web UI or Auto Provision;Build-in watching dog for auto recovery; 4. Call Handing Features: Call timer display;Call transfer, hold, forward, pickup;Local three-way conferencing;Onetouch Speed dial for 6 keys;Missed call notification;Forward call (always/on busy/no answer);Last call return redial;Call by IP address via dial pad;Voice Message (Extensible by external IVR);Phone Book directory (100 entries);Ring Melody able(VoIP/PSTN/Hold);Customize Melody;Time and date display; 5. Router Functions: Support static and dynamic IP DHCP, PPPoE/PPP;Build-in DHCP Server;Dynamic DNS Supp