Yes, there is support for Germany, and
most of the new platforms (X600, etc)
support the leased line. I think the
2500 is the only one that does not.
Router(config)# isdn switch-type switch-type
Router(config)# isdn leased-line bri "number" 128
"number" - Specifies the BRI interface number
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fdial_c/fnsprt3/dcdbri.htm#xtocid28