The network location of the TFTP server must be specified in the Tesira configuration, the VoIP administrator should be able to provide the correct information for discovery. The location of the TFTP ...The network location of the TFTP server must be specified in the Tesira configuration, the VoIP administrator should be able to provide the correct information for discovery. The location of the TFTP server can be specified as a static IP address or hostname, or the location can be communicated to the Tesira device from a DHCP server using the DHCP configuration options.