Discounts at a1.net can be obtained by connecting several mobile or mobile and fixed plans in your household on a joint invoice. This can save up to €144 per year. Every additional plan connected to the joint invoice brings an additional discount on MIO and A1 Vajb plans. The following plans are eligible for connecting and saving: subscription voice plans for mobile services. The multiMIO discount is available to subscribers of all MIO and A1 Vajb plans who opt for a joint invoice and connect several mobile, or mobile and fixed plans from A1. The multiMIO discount brings users €1 to €3 discount on the monthly subscription fee on MIO and A1 Vajb plans, as long as at least two plans are combined, and at least one of them is a MIO or an A1 Vajb plan. The multiMIO discount is applied to up to 4 MIO or A1 Vajb mobile numbers on a joint invoice. The savings of €144 per year are the sum of monthly discounts from multiMIO, if the joint invoice connects 4 MIO or A1 Vajb plans (a €3/month discount for every connected subscription plan). The plans that mobile users can connect for a multiMIO discount are all subscription plans for mobile services and the fixed services plans: A1 Kombo, A1 Fix net, A1 Net+TV, A1 Brezžični net, A1 Brezžični net+TV, A1 Domači net. multiMIO discount applies for connected subscription plan on a joint invoice. Signing a lock-in agreement is not a condition for obtaining the discount. Users are also notified about the activation/deactivation/increase/decrease in discount by SMS. The multiMIO discount is not applicable together with the A1 Connect discount. If a joint invoice is separated, the discount is reduced or removed for all MIO/A1 Vajb mobile numbers that are no longer on a shared invoice. A condition for the joint invoice is the same tax number (the same subscriber for all the services).