That will be your dialup modem. You need to install the driver from dell under communications. You should use your seven digit service tag number under your front lift door.
http://support.dell.com/support/downloads/index.aspx
You can use this to check if you are downloading the correct driver.
http://www.zhangduo.com/udi.html
http://support.dell.com/support/downloads/index.aspx
You can use this to check if you are downloading the correct driver.
http://www.zhangduo.com/udi.html
