When I select pdp as ipv6 and ipv4, I cannot connect to the Internet. This happens in both MR600 v2 and v3. Only when I select Ipv4 alone can connect to the Internet normally. I use vodafone network.I

I have a MR600 and a MR6500V, how do I set up a 4GLTE phone call that can use with the MR600? What hardware is needed?How to set it up?

Which TP model VOIP router can be plugged into the lan port of mr600? Can the VOIP function be realized through the sim card of MR600?