@TheBaker I am using the latest software. ER8411 V1.0 running 1.2.0 Build 20231214 Rec 77035

@FabioPM I am having the same problem with an ER8411 router! I can plug the SIP phone into any other router, cable modem or ONT and it just works. But on the ER8411 it cannot register. I know the...