V7122 Gateway User Guide 101Mode DescriptionCyclic Descending Select the next available channel in descending cycle order. Alwaysselect the next lower channel number in the Trunk Group. When thegateway reaches the lowest channel number in the Trunk Group, itselects the highest channel number in the Trunk Group and then startdescending again.Descending Select the highest available channel. Always start at the highestchannel number in the Trunk Group and if that channel is not available,select the next lower channel.Dest Number + Cyclic Ascending First select the gateway port according to the called number (see thenote below). If the called number isn’t found, then select the nextavailable channel in ascending cyclic order. Note that if the callednumber is found, but the port associated with this number is busy, thecall is released.By Source Phone Number Select the gateway port according to the calling number.The internal numbers of the gateway’s B-channels are defined in the ‘Trunk GroupTable’ under the ‘Phone Number’ column. For detailed information on the ‘TrunkGroup Table’, see Configuring the Trunk Group Table).Advanced ConfigurationUse this menu to set the gateway’s advanced configuration parameters (for advanced usersonly).Configuring the Network SettingsFrom the Network Settings you can: Configure the IP Settings. Configure the Application Settings. Configure the NFS Settings (see Configuring the NFS Settings). Configure the IP Routing Table (see Configuring the IP Routing Table). Configure the VLAN Settings.Configuring the NFS SettingsNetwork File System (NFS) enables the gateway to access a remote server’s shared filesand directories and to handle them as if they’re located locally. A file system, the NFS isindependent of machine types, OSs, and network architectures. Up to five different NFS filesystems can be configured.