sharon wrote What I can think about is we need to make sure the internet is working properly while using the VOIP service. It is so complicated to check the settings, I suggest you guys to connect...

No news? No answers? Where is TP-LINK support team ??? I bought this router and it's unserviceable with this VOIP problem!!!!

Same firmware, same problem. My VOIP provider is Eutelia (Italy) Voip account stop working after some days (sometimes hours) and you have to restart router or RE-Save voip advanced options then it...