You can use a dial-up PPP network connection to access CLI remotely through any standard SSH or Telnet program. You can use a USB modem connected to the USB port on the front panel of the Branch Gateway or a serial modem connected to the Console port on the front panel of the Branch Gateway. You must only use an approved Avaya serial cable. For more information about approved Avaya serial cables, see Overview for the Avaya Branch Gateway G450.