FWIW, I tried a mobile broadband card today. The first time I tried to use the 'Disconnect' command in Network Manager, it didn't work. But on two subsequent occasions, it did.
Using an up to date 9.04 installation (network-manager 0.7.1~rc4.1.cf199a964-0ubuntu2) -- NetworkManager cannot disconnect mobile broadband connection https://bugs.launchpad.net/bugs/368206 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs