SunComm Technology Co., Ltd. Core members have been engaged in the communication & networks industry since 1977. Their main products in 2009 focus on GSM, VoIP, 3G Devices.
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.