@LorenzoA Hi, do you mean the VR1210v is working on bridge mode? or modem and router mode? When the issue happens, is there any changes on the LED status, especially DSL and Internet LED? Please...

@heap What is the model no., hardware and firmware version of your TP-Link device?

@Zeppino Hi, are you trying to access the VR1210v web interface remotely? Please remember to enable remote management on the VR1210v: How to enable Remote Management on AC VDSL/ADSL Modem Router

@Starraker Hi, your modem router Archer VR1600v is ISP specialized model. Since the configuration details and VoIP function permission are all determined by the ISP, it is recommended you contact...

@arkadiv Hi, if you have a NBN modem or NBN box already, you could connect the NBN modem to LAN4/WAN port of the TD-W9970 via Ethernet cable and configure the TD-W9970 into Wireless Router mode: How...

@IanDo Hi, do you mean the OpenVPN client software fails to connect the OpenVPN Server with error "Authentication Failed Server TLS Version too low"? What is the version of your OpenVPN Client...