Klagenfurt Hauptbahnhof Klagenfurt Hauptbahnhof Klagenfurt Hauptbahnhof (German for "Klagenfurt Main station"; occasionally translated as "Klagenfurt Central Station") is the main railway station in Klagenfurt, capital of the Austrian state of Carinthia. It is an important railway junction in southern Austria. The station opened on 1 June 1863, when Klagenfurt received connection to the Southern Railway, one of the main train routes within the Austrian Empire, via the Carinthian branch line to Marburg, Styria. One year later, the line was extended to Villach Hauptbahnhof, which quickly superseded Klagenfurt as major Carinthian transportation hub with rail connections to the Brenner Railway at Franzensfeste and
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