Dahua VTH5421 Series - Monitoring of VTO

Interface Operation 64
6.4.1.2 Edit Contact Info
Select the contact person, press to edit the info.
6.4.1.3 Delete Contact Person
Press [Edit], select the contact person and press [Delete] to delete the contact person.
Multiple contact persons can be selected once.
6.4.2 Call User
 Make sure that resident-to-resident call function has been enabled. Please refer to “6.2.6.4
Other Settings“ for details.
 Call function is used by VTH to call VTH.
 If both VTHs have a camera, bilateral video call can be provided.
6.4.2.1 Dial and Call User directly
At “Call User” interface, dial and call the user.
Select “Call > Call User”. Step 1
The system displays “Call User” interface, as shown in Figure 6-29.
Figure 6-29
Enter the user’s room no. (VTH room no.). Step 2
 If VTO works as SIP server, dial room no. directly.
 If the platform works as SIP server:
 Call a user in the same unit and the same building, dial room number directly.