OpenVox DGW-100XR series T1/E1 Gateway is an open source asterisk-based VoIP Gateway solution for operators and call centers. It is a converged media gateway product. This kind of gateway connects traditional telephone system to IP networks and integrates VoIP PBX with PSTN seamlessly. With friendly GUI, users may easily setup their customized Gateway. Also secondary development can be completed through AMI (Asterisk Management Interface).
There are four E1/T1 Gateway models, the DGW-1001(R), DGW-1002(R), DGW-1004(R) and DGW-1008(R). There is one port on DGW-1001 supporting 30 channels most, two ports on DGW-1002 supporting 60 channels most, four ports on DGW-1004 supporting 120 channels and eight ports on DGW-1008 supporting 240 channels most. The "R" means that the device supports redundant power supply. It is developed with a wide selection of codecs and signaling protocol, including G.711A, G.711U, G.729A, G.722, G.723 and GSM. It supports PRI protocol. OpenVox T1/E1 Gateway has good processing ability and stability and we provides 1/2/4/8 T1/E1 interface for your choice. The DGW-100XR series gateway will be 100% compatible with all kind of SIP servers, such as Asterisk, Askozia, Elastix, trixbox, 3CX, FreeSWITCH and VOS VoIP operating plattform.