Video Intercom/SIP 2.0/How To Call DMSS

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This article will explain how you can setup the DHI-VTO4202F to call our mobile app DMSS.

IMPORTANT: You will require a customized license firmware in order for this to work. The stock firmware will NOT be able to call DMSS. Please contact your sales representative for more information.


  • DHI-VTO4202F connected to the network and P2P online
  • Custom license Firmware flashed on to the unit
  • DMSS installed on mobile phone

Video Instructions

Step by Step Instructions

1. Login to the VTO's webui

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2. Go to the Network settings

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3. Be sure that P2P is enabled with the status of "Online"

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4. Now navigate over to Household Setting

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5. Go to VTH Management

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6. We will now be adding a Entry for a room. This will act as a medium to the DMSS. Whenever the room number is called it will also forward the call to DMSS.

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7. Assign it a room number and Name to customize the entry. Leave the Registration password defaulted. Click on Save when ready.

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8. The Room entry is now created. We need to create a user so go to the Pencil icon.

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9. Click on Add User. This user will be the login information you will use to add to DMSS

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10. Enter a Username and Password that will be used to login to DMSS.

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11. You will now see the user entry. Click on Save.

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12. The user is now added. To add to the mobile app you will need to bring up a specialized QR code. This can be pulled by clicking on the Gear icon.

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13. Keep this specialized QR code on the screen because we will need to scan it on DMSS.

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14. Open DMSS and click on the plus icon on the top right.

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15. Select SN/Scan

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16. Allow any camera permissions on phone if needed then scan the specialized QR code we pulled up earlier.

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17. Be sure to add this device as Local if logged in to a DMSS account. You may encounter errors if added as an Account Device.

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18. Enter the username and password that was created in the earlier steps. You should also see the Room Number populate on the bottom. Click on Save

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19. The device is now added but we need to Subscribe for notifications and Calls now. Go back to Home

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20. Select the three horizontal dots to enter the menu

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21. Go to Device Details

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22. The to Notification

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23. Toggle the Notification button to Onn and click on Save. You should get a Successfully Subscribed prompt.

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24. You can now receive calls on DMSS when the room number is called.

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