I have ac1600 voip vdsl/adsl modem router connected to hfc Internet. The problem is the wireless connection is vely slow in some parts of the building. Can you suggest better model with voip modem...

Tether do not find vr1600 modem. I have also checked in the list bu6 cannot find this modem. I recently got this modem connected to hfc nbn How to get this to be recognised by tether Rajendra

I have down loaded Tether. But when I tried to contact to the modem it states that it is not recognised. It tells me to go to the website. Please advice what could be wrong Rajendra