Buy the latest GSM gateway in Hyderabad from Dasscom. Dasscom is a leading brand in the field of telecommunications. Buy the latest variant of GSM Gateway like; DXG 3200V, DXG 3200 G, etc. For wireless connections, this is the best option for both small and large industries. GSM gateway adopts SIM Card and Slot since it is an advanced built-in VOIP processor. Visit Dasscom to order. www.dasscom.com