Voipo Phone does not disconnect even after callng party hangs up

My voipo number does not hang up even after the caller hangs up. My phone keeps ringing as if there its a new call. It is very annoying. I have to unplug the grandstream device and plug it back every time. Please help

Please e-mail support@voipo.com and our support team will be happy to help.

This forum is for customer interaction and isn't a support forum so it's not staffed for support.