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.
CoreTel promises to leverage its interconnection knowledge and expertise to provide a reliable wholesale VoIP network which will allow our customers to develop and manage a wider choice of dynamic phone services for the consumer.