VDG-S2004 digital VoIP gateway supports 4 T1/E1/PRI interface and 120 concurrent calls. It is a converged media gateway product. This kind of gateway connects traditional telephone systems to IP networks and integrates VoIP PBX with the ISDN seamlessly. With a user-friendly GUI, customers may easily set up their customized Gateway.
VDG-S2004 T1/E1 VoIP Gateway is a Digital VoIP Gateway solution ideal for ISPs and call centers.