VoIP is not available. I've been in contact with customer service and technical teams for over two weeks and they don't seem to be fixing it at all. One time a technician came to replace our modem, but I didn't even know how to configure it with TP-Link and I didn't know what the technician was, but it didn't help. Call, connect to customer service, reboot our modem, restore, I say I can't use VoIP and they will call me back in 24 hours. However, I have never had a call back within 24 hours. I call them every time. I can't work as I can't use the phone, so I repeat this for a week after I told them to do something. Please do something about it. The Phone part of the Network page in TP-Link 'Basic', no longer displays the phone number  that was displayed with the old modem (But I couldn't use it.). Please advice. ... View more