Dahua Technology VTH2421FW-P - Page 62

3.6.1.1 VTH Ring
Set the ring for this VTH.
Procedure
Step 1 Select Setting > .
Figure 3-24 Call setting
Step 2 Tap VTH Incoming Call Cong, and then congure the parameters.
Figure 3-25 VTH ring setting
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