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Configure the parameters.
Local (1)
Table 4-2
Parameter description
Parameter Description
Device Type The access controller can only work as a unit door station.
Centre Call No.
Enter a number to be identified by the management center. It should be
"888888" plus three numbers.
VTO No. Cannot be configured.
Group Call
When enabled, a call from the access controller to a master indoor
station will also be sent to all its extention indoor stations.
Transmission
Mode
Mode1: Real-time call but the video and sound may be lagging with
poor network.
Mode2: Not real-time call but ensures smooth video and sound.
Click Confirm .
4.5.1.2
Other Device as SIP Server
Log in to the web.
Select Talkback Setting > Local .
Configure the parameters.
Local (2)
Table 4-3
Parameter description
Parameter Description
Device Type
The access controller can work as a unit door station or fence
station.
Centre Call No.
Enter a number to be identified by the management center. It
should be "888888" plus three numbers.
VTO No.
Enter a number for the access controller.

It should be four digits. The first two should be 80 and the
last two starts with 01, such as 8001.

If there are multiple door stations, VTO numbers cannot be