UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Old phones and the new BT internet-only phonelines

27th Jan 2022, 4:41 pm

Doesn't look like the unintended consequences have been addressed properly. The VOIP to POTS could be at the exchange end, benefitting from the battery in the exchange, for those alarm systems IF they put 50V on the line.

27th Jan 2022, 4:41 pm	#46
Guest Guest Posts: n/a	Re: Old phones and the new BT internet-only phonelines Doesn't look like the unintended consequences have been addressed properly. The VOIP to POTS could be at the exchange end, benefitting from the battery in the exchange, for those alarm systems IF they put 50V on the line.