hope all is well with you.
I'm from an voip enterprise with professional VOIP service. our products mainly include 1,4,8 ports voip/GSM/gateway（goip) and highquality AtoZ routes. They are hot-sale in Russia, Bangladesh, Ukrain,Columbia,Brazil and many other countries.As I know we are in the same business--Voip business, I hope our product can help you a lot for your business.
Please contact me
candySkyline International Technology Co.,LtdWeb:www.chinaskyline.netphone：86-0755-82435955