I have been trying to connect my Nokia E65 phone to my Ubuntu 12.04 via wammu. I tried the option of "Automatically Search The Phone". But I get the error messages like this in the screen:

Wammu is now searching for phone:

You don't have permissions for /dev/ttyS0 device!

You don't have permissions for /dev/ttyS1 device!

You don't have permissions for /dev/ttyS2 device!

You don't have permissions for /dev/ttyS3 device!

You don't have permissions for /dev/ttyS4 device!

You don't have permissions for /dev/ttyS5 device!

You don't have permissions for /dev/ttyS6 device!

You don't have permissions for /dev/ttyS7 device!

You don't have permissions for /dev/ttyS8 device!

You don't have permissions for /dev/ttyS9 device!

You don't have permissions for /dev/ttyS10 device!

You don't have permissions for /dev/ttyS11 device!

You don't have permissions for /dev/ttyS12 device!

You don't have permissions for /dev/ttyS13 device!

You don't have permissions for /dev/ttyS14 device!

You don't have permissions for /dev/ttyS15 device!

You don't have permissions for /dev/ttyS16 device!

You don't have permissions for /dev/ttyS17 device!

You don't have permissions for /dev/ttyS18 device!

You don't have permissions for /dev/ttyS19 device!

You don't have permissions for /dev/ttyACM0 device!

You don't have permissions for /dev/ttyACM1 device!

Discovering Bluetooth devices using PyBluez

Could not access Bluetooth subsystem (error accessing bluetooth device)

All finished, found 0 phones

No phone has been found!

What does this mean? How to overcome this error?

Thanks in advance.