Clarity Telecom is Northern Ireland's leading alternative to BT. Delivering landlines, broadband, phone systems, and VoIP throughout the UK & Ireland, Clarity sets the standard when it comes to price, products and service. Join the thousands of businesses across the UK & Ireland that are saving hundreds of thousands of pounds every month just by switching their bill to Clarity. To discuss your landline account or to have a no obligation cost comparison give us a call on 0800 912 1000.