Modems

Media Gateway with 2x PRI, 4x NextG/3G Channels and VoIP (SIP&H323)All-in-o ne Gateway between VoIP, ISDN and GSM networks. The Gateway's main function is to bridge between VoIP networks, BRI ISDN networks and mobile networks. With Topex VoxiPlus you start saving from day one after installation by reducing the cost of communications. Topex's VoxiPlus Media Gateway range comprises ten models, and is the most comprehensive suite of products providing solutions for interconnecting VoIP, PSTN over ISDN and GSM or NextG/3G mobile networks. The range covers fixed port/channel models (quad BRI ISDN, dual E1/PRI ISDN with 4 channel GSM or NextG/3G options) and modular, scalable models mounted in a 19-inch rackmount case (dual E1/PRI ISDN with 4 to 12 GSM or NextG/3G channels).   Prod uct... Less

If you're looking for a multifunction USB external modem, this 56K Agere Chipset USB2.0 External Modem BL-UM05 is the one to get.This chipset external modem converts a USB port into a 56k external modem, providing the ideal solution for applications that require fax modem capability, or simply a cost-effective way to connect to the internet through dialup. This USB external modem integrates powerful communications processing functions into the modem itself, for assured performance without sapping your computer processing power. This lightweight USB external modem provides portable convenience, and is powered through the USB bus, which eliminates the need for an external power adapter and saves the hassle of having to find a wall outlet. Powerful and practical, this USB external modem will... Less

The Topex VoiBridge-3G-4 is a VoIP to UMTS Cellular Gateway. Its main functionality is to interconnect VoIP networks with 3G or NextG mobile networks. The device supports 4 UMTS channels. With Topex VoiBridge you make significant savings on calls from IP to 3G/NextG networks and vice versa.Click here for more information.