Ap mode

Your flow is correct as per my previous setup.
The issue is the phone VOIP is like hit or miss (which you need to on/off both your Asus router and the KAON router) for the phone to work (just observe the KAON router phone led is on or off). If still off, just repeat the on/off both router). Bear in mind, even the VOIP works, sometimes it can be suddenly disconnect.

Should you have the 4g backup dongle, plugin into the KAON USB, the VOIP will work better.

or.......

renew your contract with Maxis Fiber (if your contract already expired) and get Maxis to change the router (no more KAON router, btw....I unable to recall which brand). Just follow the same flow as you written above and the VOIP phone works like charm.

Thanks! So there is no need to change the KAON router to Bridge Mode right? Just leave it as default router mode / ap mode that it came with. I will try the on off method. For now the phone LED at the Koan router is off. Actually our contract with Maxis just renewed. Instead of the old KOAN router (rectangle black) - can't recall the model, they replaced with a new WiFi 6 KOAN FA2140 router (white). So I am still stucked with KOAN .

Another option I can think off is to try get into the ZTE modem and setup the SIP there but tried a few default IP 192.168.1.1 192.168.1.254 etc I can't get into the UI and also not sure the username / password.

This post has been edited by bennygcs: Jun 14 2025, 12:00 PM

Is this model AR2140 is combo modem+router?

What if I need install firewall as internet gateway and retain the VOIP?