<ul><li><a href=https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv:OJ.L_.2021.137.01.0001.01.ENG target=_blank>EU Commission Delegated Regulation (EU) 2021/654  setting single maximum Union-wide voice termination rates(Commission Delegated Regulation (EU) 2021/654 of 18 December 2020 supplementing Directive (EU) 2018/1972 of the European Parliament and of the Council by setting a single maximum Union-wide mobile voice termination rate and a single maximum Union-wide fixed voice termination rate, 18.12.2020)</a></li><li><a href=https://www.bundesnetzagentur.de/DE/Beschlusskammern/1_GZ/BK4-GZ/_bis_2010/2006/BK4-06-0003/BK4-06-0003_Beschluss.html target=_blank>Decision BK4-06/003(Bundesnetzagentur, Decision BK4-06/003, page 3)</a></li></ul>