Link H-tech Corp.ltd is a manufactor who serves as a professional supplier of voip.All our products are of top high authentic quality.We have the following advantages for your referrence :1). All of our voip are made in our own factory2). Competitive Price We can assure you our price is the lowest for the same grade quality products, comparing with other suppliers.3). Excellent Service We will check everything for your before shippment, and provide the tracking No. after we sent your packages.4). Timely Delivery We can ship your goods out within 24 hours after your order confirmed via DHL or UPS.And you can expect the goods arrived in 5 business days.