VTO audio configuration with SIP 4.x Firmware - X-SECURITY / DAHUA

Super Admin
02 May 2026
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The new X-Security SIP4 firmware, besides being more stable, brings many advantages and extra configurations that the previous versions did not allow.


In this FAQ we are going to check what these options are for the SOUND configuration.


Once in the VTO web interface, we will access the "LOCAL CONFIGURATION" option


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Next, we access the "VIDEO & AUDIO" option


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Audio Control Configuration


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The options available are:


1 - Voice alert on call

2 - Ringing tone on VTO

3 - Door unlock alert

4 - Tamper sound

5 - "Record a message" notification

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