@ducbinh286 The AX55 needs the beta version of the 1.2.6 firmware for ethernet backhaul. Both the official release and the beta release have the same version numbers but different release numbers....

@Comms Great! I'm glad you found the solution.

@Comms I decided to replace one of my SIP phones and a new Yealink T53W arrived yesterday. After the initial network setup (wired) and configuring two different SIP accounts from two different...

@Comms If and when you solve the issue, please share with us the solution. I am considering replacing my antiquated Linksys phones and the Yealink T53W may be a good option. My router is an AX55. On...

@Comms Unfortunately, I am not familiar with Yealink phones or the AXE75 router. It does sound like you may have to activate port forwarding in the router with the ports used by the phone. I glanced...

@DavidR1974 Just did another quick test. If you change the default day from Monday to any other day except Sunday, the day change is saved correctly and the time is set ahead one hour after saving...