The current price for a BT phone service on a PAYG basis ( without a broadband service associated with it ) is £31.20 , the cheapest BT broadband and phone on a PAYG basis is £31.99 so what’s the motivation for you doing this (wanting BT to supply a phone only service) , that’s assuming it isn’t saving a few pence per month ?
What you require , a new installation of a standalone phone service (not someone who historically already has a standalone phone service ) is no longer a common request , because the financial difference is minimal , and simply put it’s not just a case of disconnecting broadband and leaving a phone service in place , you would need to cancel your complete broadband and phone service as it is and then reorder as a phone only service ( that’s assuming you can an order for it raised given it’s an uncommon request that can’t be done online you need to call ) .
A new standalone phone service is problematic in its own right because you are not an existing phone only customer, so don’t qualify for a PDPL , that’s the way existing phone only customers are converted from PSTN onto a system than will last after Jan 2027 when PSTN telephony is switched off, it isn’t available to you as it’s for existing phone only customers not new ones .
The only other post on here I can recall, with a similar requirement to yours ( a new phone service without a linked broadband) was the customer was provided with BT broadband and DV (Digital Voice telephone) the broadband supplied without charge , but conditional on it never being used apart from hosting the DV telephone service , should the customer connect anything at all to the ‘internet’ either WiFi or wired Ethernet, then BT would start charging for the previously free broadband because the customer was clearly using it for ‘the internet’, if they only used DV and stringently never connected anything but a standard telephone (corded or DECT ) then broadband remained free.
..if you want this type of arrangement, good luck trying to arrange it , personally I’d think it not worth the hassle to save 70p a month .
