As i said, i don't now really anything about capi, but it looks to me like wine's capixxxx.dll is pretty much outdated, and the bug you see after you worked around the "libcapi2.0 is not installed" is probably yet another wine-bug. If you ever feel like it and have spare time you could file a bug in wine's bugzilla for this app. However, as isdn-stuff is not really used that much (anymore) by applications, i guess fixing the bugs in wine's capixxxx.dll won't get high prioritty from the wine developers. For now i guess you have to stick to your windows live cd, good luck anyway!
