Grandstream GXW 4004 offers small organizations, home users, remote offices and companies with a territorial work system a high-performance solution with excellent price/quality ratio to more effectively manage the cost of communication, while expanding the functionality of existing telephone systems in organization. Grandstream GXW 4004 is a solution, which easily integrates into existing VoIP FXS phone systems and FXO gateways.
TELEflash is a registred Carrier in Germany with his own Portingcode, own Hardware and with dedicated Peeringconnections to other german Carriers. We also offer MVNO-Services with german SIM-Cards.