77Figure 7-39Set parameters and refer toStep 2ParameterStep 3 DescriptionFamily Name Set VTH user name and nick name, in orderto identify VTH.First NameNick NameVTH Short No.Set VTH room no..VTH short no. is the same as room no.configured at VTH.IP Address VTH IP address.Table 7-11 for details.Step 4Parameter DescriptionFamily NameSet VTH user name and nick name, in order to identify VTH.First NameNick NameVTH Short No.Set VTH room no..VTH short no. is the same as room no. configured at VTH.IP Address VTH IP address.Table 7-11Click “OK” to save the settings.Step 57.8.2 Modify VTHOnly family name, first name and nick name of VTH can be modified.Click .Step 1The system displays “Modify” interface, as shown in Figure 7-40.