Connector RJ11( Not compatible with modern technology internet phone connection ) Functionality: Rotary phone has old mechanism and machinery and it does not work with modern technique phone lines - only works with Home landlines ( for UK buyer needs a converter ) Due to being vintage nature - Phone does not work like a modern phone- it only works with landlines which is rare - does not work with VOIP - does not work with county phones - does not work with any other phone attached to same line.We recommend this phone ideally more for decoration purpose to your home & office desktop. Ideal for home & office desktop decor, collectible, replica model, vintage ornament gift etc. For USA buyers, items will be shipped from USA warehouses and the rest country buyers. We will ship it from our ware