Advantages

U280 is an Intelligent Switching VoIP Gateway targeting enterprises and SOHO customers. It enables customer to conveniently integrate legacy PSTN and advanced VoIP networks into one single network seamlessly to realize substantial cost-saving with U280 voice communication solution.

Benefits

Help ITSP to overcome E911 hurdle with converged VoIP and legacy PSTN networks Dramatic Voice Communication Cost Saving ．Outbound calls to anywhere in the world can be routed to PTSN, alternative Carrier or IP network via ISP automatically and intelligently with the lowest calling cost path. ．Inbound calls with authentication capable of two stage dialing. Convenient to use with ISR unique Intelligent Routing feature ．Without changing customer's dialing behavior ．Without buying additional PBX module for connecting to ITSP or CLEC ．Without changing PBX's setting ．Keep original phone numbers Improve Productivity ．Encourage organization voice communication and collaboration without traditional high cost Compelling Value Proposition and ROI Considerable Scalability

Hardware

WAN 10/100 M, auto-negotiation LAN 10/100 M, auto-negotiation Phone Port 4X FXS Ports Line Port 4X FXS Ports  AC Power Input 100 -240V, 50 - 60 Hz, 0.5A                                                              Humidity 10%-90%  Operating temperature 0° C to 50° C  Storage temperature                    -30° C to 65° C

Software

Control protocol SIP RFC 3261 NAT supported. DHCP support for LAN or Cable modem. Configured by HTTP web browser. Support HTTP, TFTP upgrade. Support major G.7XX (G711,G729,G723,G726) Codec. Dynamic voice jitter buffer, CNG (Comfort noise generation),VAD. G.165 compliant 16ms echo cancellation. Tone generation and Local DTMF re-generation according with ITU-T. E.164 dial plan and customized dial rules. Support T30/T38 FAX. IVR (Interactive Voice Response) . Intellignet Routing feature. Auto Hunting.

Others

Dimension         438(L) X 228(W) X 45 (H) mm   Weight 3kg Compliance CE Mark, FCC part 15, UL Packing list U280 Gateway                     x 1        Ethernet UTP cable            x 1   AC Power cable                  x 1   RJ11 cable                           x 4