Hi, Just had to switch one of my customers to a new router, which is an Archer C6. I opened the ports needed for 3CX, disabled SIP ALG and even SPI Firewall in order to make sure it wasn't...

I just had this issue with the same hardware that I sold to one of my customers last month. It kept changing its IP every 30s... It seems that it's now stable, since I put a fixed IP address, channel...