Need advice on landline

[#1]

I have a BT Socket but internet fibre with plusnet .I need to buy a BT phone can i plug into the socket. Without effecting the router. 

[#2]

@EDD1 The simple answer is yes. Which Master socket do you have - one with a single socket , or one of the newer dual socket ones?

[#3]

Dual socket

[#4 · Accepted solution]

In which case, just plug the phone into the 'phone' socket and you're good to go.

[#5]

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@EDD1 wrote:

I need to buy a BT phone can i plug into the socket.

@EDD1 

Before you buy a new BT phone, are you aware that the UK phone system is being switched off at the end of 2025 ?

BT Publish UK Regional Rollout Schedule for Digital Voice 

Rather than spending money on a soon to become obsolete phone to plug into the BT socket (for maybe 18 months),  you might want to consider future-proofing your purchase with the replacement technology - a "VoIP" telephone, which plugs into your broadband router, and your voice calls are made over the internet, but otherwise the handset works the same as now.

[#6]

@EDD1 you say you have "fibre". Presumably you mean FTTC, i.e. Fibre To The Cabinet, with a  copper cable into your house.

As noted above there's a transition to Digital voice planned, do you even have a phone service on the line, it's possible you don't. PlusNet are phasing out phone services anyway.

Try ands borrow a phone from a friend/neighbour and plug it in. If you get a dial tone call 17070 which is a test number that will also conform the phone number assigned.