Telecommunications firm Vodafone has signed an infrastructure contract with one of Germany’s largest housing companies to expand fibre-optic internet access to an additional 120,000 flats. The deal between Vodafone and Vonovia was announced on Monday, with service due to be offered beginning in July. The market segment has been highly competitive for many years. In 2013, rival Deutsche Telekom won a contract with Deutsche Annington – a real estate firm that is now part of Vonovia – to lay fibre optic lines to rental apartments. As a rule, however, Deutsche Telekom installed conventional copper…