5 ConfigurationConfirm that all devices are complete and that they work properly prior to installation andconfiguration.SetupPrior to commissioning and configuring the VTO unit, ensure the unit conforms to the following: Check that the unit is connected to the proper power supply. Power on the device onlyafter the circuit is confirmed to be normal. Plan the list of IP Addresses and the ID numbers for each VTO and VTH unit. Check the deployment position of SIP server. Use the VTO Web interface to set VTO and VTH information. Then set the VTH and VTOinformation at each VTH device.ProcessPlan IP address for every device, and also plan the unit number and room number youneed.Configure VTO. See "4.3 Configuring VTO."a) Initialize VTO.b) Configure VTO number.c) Configure VTO network parameters.d) Configure SIP Server.e) Configure target room number and group call.f) Add VTO devices to the SIP server.g) Add room number to the SIP server.Configure VTH. See the VTH users' manual.Verify Configuration.VDP ConfigurationDownload the "VDPConfig" application and perform the device initialization, IP addressmodification, and system upgrading for multiple devices at the same time.VTO ConfigurationConnect the VTO to your PC with network cable, and for first time login, you need to create anew password for the web interface.