https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/346835/comments/11
Replace /lib/udev/rules.d/77-nm-probe-modem-capabilities.rules with that one. The one shipped with Jaunty does some check based on the driver that causes the probing to be skipped if you are using usbserial.
https:/ /bugs.launchpad .net/ubuntu/ +source/ network- manager/ +bug/346835/ comments/ 11
Replace /lib/udev/ rules.d/ 77-nm-probe- modem-capabilit ies.rules with that one. The one shipped with Jaunty does some check based on the driver that causes the probing to be skipped if you are using usbserial.