Klagenfurt for the 2006 Winter Olympics and is home to an American Football team, the Carinthian Black Lions, competing in the First League of the Austrian Football League. The Black Lions attract fans from all over Carinthia, playing home games in both Klagenfurt and Villach. Klagenfurt is twinned with the following towns and cities. Klagenfurt Klagenfurt am Wörthersee (; , , ) is the capital of the federal state of Carinthia in Austria. With a population of 100,316 (January 1, 2018), it is the sixth-largest city in the country. The city is the bishop's seat of the Roman Catholic Diocese of
Signaling System No. 6 system where the link between country A and country B could perform the signalling functions for links to country A from country D for example. CCITT No 6 was a method developed & implemented by administrations in a limited number of countries for use in correspondent International Switching of analogue telephone calls. The next development was correspondent and non-correspondent switching of telephone calls by new operators in the countries where more sophisticated methods were required. Signaling System No. 6 SS6 or CCITT No 6 Signalling System was introduced in the 1970s as an early common channel signalling method for telephone