BDL GoIP-8

Products:
see https://item.taobao.com/item.htm?id=528729650018
see http://www.hybertone.com/cn/news_detail.asp?newsid=1

Official:
see https://goip.taobao.com/
see http://www.dbltek.com/
see http://en.dbltek.com/
see http://voipddns.com/