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  1. riogrande75

    Dahua IP Video Intercom with Hikvision cameras??

    Sure, there is a chance. Try to register the hik display as a user on the SIP server (running on the VTO?). I had luck with almost all kinds of SIP device (softclients,phones,...).
  2. riogrande75

    Request to modify VTH2421FW-P functionality

    There is no one here who can modify the firmware in such a way (I guess). You have to get in contact with dahua, the manufacturer of this device. If you've bought 70+ pcs. then you should have a seller/partner who can communication directly with dahua staff. But I don't want to not make you too...
  3. riogrande75

    New VDP firmware

    Hi! Can you pls. post a link to the latest firmware files for gen1 vdp devices (VTO2000A, VTH1550/1560,...). I noticed that they were produced end of july and should have the fix for the authentication issue: General_VTOXXX_Eng_P_16M_SIP_V4.300.0000002.0.R.20210722.zip...
  4. riogrande75

    New massive security whole in many dahua devices (ip-cam,vdp,...)!

    Just found the reason why dahua produced so many new firmware's in mid of july: Seems to be related to CVE-2021-33044 and CVE-2021-33045 (Dahua-Authentication-Bypass). So I warmly recommend to upgrade all devices, if they are placed in exposed areas.
  5. riogrande75

    snapshot.cgi, video.cgi

    Afaik, you have to set encode mode on the stream you request (main/sub) to MJPG and not H.265/H.265 for use with video.cgi. This worked for me on all of my dahua cam's.
  6. riogrande75

    Dahua config backup encrypted?

    Did anyone do it with this information? Tried it with the config of my IPC-HDW4631 but get "bad magic number" with openssl. root@HPHOST:/home/rio# openssl enc -d -aes-256-ecb -in DeviceConfig.backup -out unenc_DeviceConfig.backup -pass...
  7. riogrande75

    Dahua VTO2202F-P problem with door unlocking - connection

    I'd say follow the manual: DOOR_COM and DOOR_NO.
  8. riogrande75

    Need help with VTO2202f-p Dahua video intercom

    Simply adding a gong isn't really supported by dahua. But there are some options for this if you are willed to "play" with scripts (e.g. on a RPi or NAS). You can ead this (use g**gle translate). If not, buy another VTH. Also cloud services are not really supported (except dahua's own cloud...
  9. riogrande75

    Need help with VTO2202f-p Dahua video intercom

    It might not be power itself, but due to many contacts for ethernet wires, poe-adapter in, out,... one single bad contact can cause the eth link to fail. So the risk of having exactly the behaviour you described, is pretty high. Off couse you can try it on another ethernet switch or dig even...
  10. riogrande75

    Need help with VTO2202f-p Dahua video intercom

    Simply connect 12V from any power supply to the pins 12V and GND on the backside. This should power up the VTO and you can connect it directly to any network port without a PoE adapter.
  11. riogrande75

    Need help with VTO2202f-p Dahua video intercom

    Try different speed/duplex settings on the switchport 10/100/1000,full,half. Maybe you can find a setting the let the port come up. Afaik these cheap PoE adapters/injectors are pure crap (20 y'rs experience as a network tech). I suggest to test the VTO with a external 12V power supply. Does the...
  12. riogrande75

    Need help with VTO2202f-p Dahua video intercom

    Ahh, ok. You did not mention that.:) What is the speed/duplex setting of your switch-port? Should be autoneg, in case of the VTO. When eth connection fails, is the device still powered up? Is there any light on, any feedback when pressing the bell button?
  13. riogrande75

    Need help with VTO2202f-p Dahua video intercom

    I don't understand? Does you computer deliver PoE from it's ethernet port??? It has to if you connect the cable from the VTO directly to your pc.
  14. riogrande75

    Need help with VTO2202f-p Dahua video intercom

    Sounds like a power supply issue to me. What voltage do you measure at the power pen's when the VTO seems to hang?
  15. riogrande75

    Dahua IPC EASY unbricking / recovery over TFTP

    yes - should work too.
  16. riogrande75

    Anyone have VTO6221E Firmware

    I would try V4.4 firmware General_VTO3211D_MultiLang_PN_SIP_Market_V4.400.0000000.3.R.20191019 This one is based on V4.5 and comes with lots of new features. Maybe user management is better with this.
  17. riogrande75

    Anyone have VTO6221E Firmware

    What FW version are you running on the VTO now?
  18. riogrande75

    Anyone have VTO6221E Firmware

    What should happen when a 2nd door code was entered? Do you have a DEE1010A/B connected to the RS485 port of the VTO? Only so you would have a (official supported) extra relay for a second door. If not, you can off course dive deeper into the VTO's functions with this script.
  19. riogrande75

    Anyone have VTO6221E Firmware

    I don't have a VTO6221E, but did you play with device type in basic settings (villastation,...)?
  20. riogrande75

    Anyone have VTO6221E Firmware

    You can simply get it from dahua's support website: GeneralTO3221E_Eng_P_SIP_Market_V1.000.0000000.6.R.20190130 It's same fw image as for VTO3221D, so everything from here for VTO3221D should be suitable as well: Dahua VTO/VTH firmware link collection
  21. riogrande75

    Dahua VTO2111D-WP "1st gen" FIRMWARE upgrade

    Look what I've found after some diggin in international forums: General_VTO2111D-data_EngDthFrnGerItlPorSpa_P_16M_SIP_PART_V4.300.0000003.0.R.20190530 Install SIP 4.3 fw on your device as stated above and after a reboot give it a shot with the language pack from my source. Then you should be...
  22. riogrande75

    Dahua VTH, VTO and Asterisk SIP - one way audio

    I run a similar setup with my VDP devices - only difference: I still use chan_sip instead of pjsip. Can you give it a try with chan_sip? If you still have problems, pls. prepare a tcpdump trace at the affected device.
  23. riogrande75

    Unbrick vto4202f

    Just read this thread, then you should know almost everything about dahua and tftp update.
  24. riogrande75

    VTO2202F-P

    There is no "non-SIP" firmware for gen2 and gen3 devices. All Dahua VDP's run SIP only now.
  25. riogrande75

    Dahua VTO2000a with wrong MCU firmware

    This question does not fit in this thread - pls. find the correct one or open a new one!
  26. riogrande75

    IP intercom - connect external doorbell

    There is a guy who succeeded with a hw hack on a vto2111d, check this out: https://yesthomas.com/Other/201610%20Dahua%20Video%20Intercom%20Ding%20Dong%20Bell.html
  27. riogrande75

    VTO2000A + VTH1560BW - video issues when calling VTO->VTH, opposite direction is ok

    You did alrady everything obvious to eliminate the problem - now you have to dig deeper. Assuming you are using the VTO's internal SIP server I would get wireshark / tcpdump traces from good and bad case and compare them. This would get you one step ahead. Off course you could also use the dahua...
  28. riogrande75

    IP intercom - connect external doorbell

    Unfortunately Dahua did not design the use of a external doorbell in their devices. But there are a couple of promising projects for retrofitting this, e.g. DahuaDoorbell2MQTT Off course, it's more complicated than a simple electrical contact but it gives you ton's of other options.
  29. riogrande75

    Dahua vto2111d-wp not unlocking and freezing

    Just give it a shot with the 5A power supply. You could place a capacitor in parallel at the VTO side, that could head off the spikes.
  30. riogrande75

    Dahua vto2111d-wp not unlocking and freezing

    I'm pretty convinced your power supply is not strong enough for VTO and door opener. What are the specs of your door opener? Even the wires (30m of 0,4mm diameter) are pretty weak for this setup imho. Can't you just use more than 2 wires from the UTP cable for power? From my experience, the...
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