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[alantimmins]

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[Jayach]

There aren't any. That router doesn't have an ATA (analog telephone adapter) so can't have a telephone connected to it.

Also Full Fibre does not have DSL settings as it isn't DSL.

The settings you require are for VoIP, and Vodafone haven't released them. (as far as I know)

If you want to use a telephone with Full Fibre you will need a VoIP service, and either a VoIP phone or ATA.

[alantimmins]

Hi, I have a digital phone with RJ11 connector. I contacted ASUS who verified that this phone will connect to the RJ11 port on the router. But to enable the phone to work I would have to contact Vodafone for the DSL settings. I have spent ages on the phone today with Vodafone customer services but they couldn't resolve my problem by supplying me with the settings. 

[Jayach]

I looked up that router and can not see anywhere you can plug a phone in. And I repeat you are not on a DSL service.

DSL-AX82U｜Modem Routers｜ASUS United Kingdom

[CrimsonLiar]

The Asus DSL-AX82U router has both a WAN port and a DSL (rj11/rj12) port.

If you have FTTP (or similar) you connect to the internet using the WAN port

DSL port is for connecting to the internet over the phone system.

You cannot plug a phone into the DSL port, the modem chipset connected to the port cannot (so far as I'm aware) be converted to work as a standard phone socket.

If you want to chase this further I'd suggest snbforums.com and the user that you need to chat with is called GNUton.  *Merlin and the GNUtron forks of Asus firmware do not void the Asus warranty.  Even if you can't get the phone to work with the router, in many cases it's still worth using these alternative firmware!

[alantimmins]

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[Jayach]

That is indeed an ATA (Analog Telephone Adapter), but you will need a VoIP service to use it. Nobody (as far as I know) has managed to get the details out of Vodafone to use theirs.