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  1. Witold

    Dahua IP intercom: VTO3211D-P2 (new P & P4 ) door station - experience, review, firmware support?

    Software & hardware: P#-S1 vs P#-S2. # is number of buttons. In S2 you can set up sip server or just client. In S1 sip is predifined in firmware. If you want to install more than one VDO in one house (network) better to buy S2 (one you have to set as server and the rest clients). S1 you can...
  2. Witold

    Dahua IP intercom: VTO3211D-P2 (new P & P4 ) door station - experience, review, firmware support?

    Hi Dears, This is my first post here- so thx to All of you for very useful observation and advises. I wanted to share also my battle with VDO3211 (f/w 12.2017). I bought this unit to control the gate when I am out of home so gDMSS Plus was crucial for me. When I installed all elements (hardware...
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