. Select either Primary, or one of the Alternate setups. Click Port Settings to further define your selection. Modem Setup is used specifically to support different service providers in case you use more than one provider for sending your beeper notifications. There could also be times you want to change your settings to meet a specific service provider's requirements for a specific notification (for example: a lower baud rate). To do this, you can set up an alternate Modem Setup and associate this to the notification instead of using your Primary setting. : Changing the Port Settings for the desired Modem Setup will affect ALL uses of that setting.