Digiweb/Siro 2 Gibabit Broadband and telephone options

Is the phone port o the router definitely active? A regular DECT cordless phone should work fine with the router.

The Cush has this right I think. What is the model of your current modem and what is the model of the new one?

It may be that the 'corded' phone is a model that works over a normal ethernet port and your cordless phone won't. Maybe the old modem had a differen array of ports to the new one? Having the model numbers would let us figure that out.

The VoIP services that those companies all provide are basically just a very simple emulated analogue phone line. There's nothing at all complicated to how it works.

There isn't any VoIP service to setup unless you want to add another line/service.

You just plug a normal phone (cordless or corded) into the analogue phone socket on the back of the router and it provides a dial tone and normal phone service, in much the same way as a phone line from a wall socket would have in.

The only phones that won't work are old rotary dial / pulse dial ones i.e. museum pieces. Anything with tone dialling will work fine.

That router has two phone jacks on the back marked Phone 1 and Phone 2.

It's likely only one of these is active i.e. Phone 1. Just treat it exactly like you would have treated an old Eircom landline wall socket - plug your phone in and off you go.

Is your phone just not working at all? As in no dial tone?

First make sure you are actually connecting it to Phone 1 and not accidentally into Phone 2 or an ethernet port

It's quite possible it's just some physical analogue wiring issue. If it's a UK phone for example e.g. something BT branded or that came with a BT plug, you need to the original cable that came with it and a BT to RJ11 (Ireland/Eir) adaptor.

In some cases by fluke these worked in Eir sockets as sometimes Irish phone sockets parallel the line on spare pins (this was to do with ancient features that were envisaged in the 1970s).

Ireland always used a very standard RJ11 phone socket - nothing at all weird about the wiring - the line is carried on the centre to pins. ATAs (Routers) tend to use exactly the same as it's an international standard. BT, however, used some quite odd twists on this on some of their phones, so you had to use the original cables, just swapping it for a general Irish/RJ11 cable wouldn't always work as the pin out was sometimes very strange on the device itself, sometimes mirroring the pin layout of a BT plug rather than a normal RJ11, so when you plug in a normal cable - you got no connection.

I'd suggest trying to plug a different phone in and seeing if there's a dial tone and if that is the case, you may need to buy a BT adaptor or try different phone cables.

Howdy , am in same boat now as you . I have a dect base station which worked on old fritzbox and being told not supported on new 2gb zyxel box. this uses standard rj45 connections to the phone unit. How was your situation resolved? Did you need to use an alternative phone setup or did they get the dect base station setup to work ?

Thanks a mill, I was being told that it would not work as my phone line was dect however I was never using the dect feature and simply used the old POTS part of the unit. They were going to try install the old fritzbox but i found some 403 errors in the log of the zyxel (filter on voice) and then pushed them to fix these. Once they resolved those the phone worked and showed registered. I would have probs taken them at their word and dumped the phone but thanks to your thread I pushed back and they got it to work - Cheers 😎