- Grandstream GXW FXO IP Analog Gateway with 4 ports- Designed and tested for full interoperability with leading IP-PBXs soft-switches and SIP-based environments- Manageability a simple configuration superb voice and video quality and feature rich functionality- Based on open industry standards- Video surveillance port- External power supply- Two RJ-45 ports 10/100 Mbps (switched or routed)- TFTP and HTTP firmware upgrade support- Multiple SIP accounts (choice of 3 profiles per account)- Programmable PSTN line settings for different countries/regions- 1 or 2 stage dialing- Caller ID- G.168 - echo cancellation- Flexible DTMF transmission: In Audio RFC2833 SIP Info or any bination of the 3- Selectable multiple LBR coders per channel- T.38 Fax pliantGSGXW4104