I guess this is going to get you the newest and proposed source package:
dget -xu https://launchpad.net/~r0lf/+archive/ppa/+files/isdnutils_3.12.20071127-0ubuntu6~rolf1.dsc
I guess this is going to get you the newest and proposed source package:
dget -xu https:/ /launchpad. net/~r0lf/ +archive/ ppa/+files/ isdnutils_ 3.12.20071127- 0ubuntu6~ rolf1.dsc