Dahua VTH5421 Series User Manual

Interface Operation 54
Figure 6-17
Set parameters. Please refer to Table 6-5 for details. Step 4
Parameter
Description
Operation
Monitor Time
Maximum time to monitor VTO, IPC, fence station,
HCVR, NVR and DVR.
Press and to
set the time.
Record Time
Maximum recording time of videos during call, talk,
monitoring and speaking. The system stops
recording at the end of recording time.
VTO Message
Time
When VTO message time is not 0:

If VTH with SD card doesn’t answer when VTO

calls, enter message status according to
prompt, and save the message in SD card of
VTH.
If VTH doesn’t have SD card, but VTO has

enabled “Leave Message Upload” and set FTP
server, “Message” tab will appear at VTH info
interface. If VTH doesn’t answer when VTO
calls, enter message status according to
prompt, and upload the message to FTP
server.
If VTH doesn’t have SD card, and VTO has not

enabled “Leave Message Upload”, if VTH
doesn’t answer when VTO calls, hang up
automatically.
When VTO message time is 0:

Hang up automatically if VTH doesn’t answer
when VTO calls, no matter whether VTH has
SD card or not, no matter whether VTO has
enabled “Leave Message Upload” or not.
If VTO sets to forward the call to management
center, if VTH doesn’t answer when VTO calls, and
there is no message prompt, the call will be
forwarded to management center.
Resident-to-resid
ent Call Time
Maximum talk time between VTH and VTH.
VTO Talk Time
Maximum talk time when VTO calls VTH.
Resident-to-resid
ent Call Enable
After resident-to-resident call is enabled, VTH can
call another VTH.
The called party enables internal call, to realize this
function.
Press to
enable the function.
The icon becomes
.

Dahua VTH5421 Series Specifications

General

Brand	Dahua
Model	VTH5421 Series
Category	Intercom System
Language	English