dial up modem

Kurt Barbee's picture

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I installed Debian 8.1 and installed the gnome-ppp dialer on the disks I received.
When I go to setup in the dialer it says it can't find the modem.
I have used the modem in Debian 7.3.
When I run lsusb in root it reports the modem as there.
What is the problem and how do I fix it?

Thank you