If you encounter the issue of “Device not registered” when you try to connect to you CCTV cameras using the mobile app ivms-4500, here is the solution to it:

1) While you are in the same network of your CCTV system, open your browser (Firefox recommended) from your computer (NOT mobile phone).

2) Type the URL address of your NVR/DVR, and login the system (if you are not sure how to do this, please refer to our remote support to get help from us)

3) Go to “Configuration” -> “Network” -> “Basic Settings” -> “TCP/IP”. Make sure the preferred and alternate DNS server is set to “” and “” respectively. Click “Save” when you are done.

4) Go to “Configuration” -> “Network” -> “Basic Settings” -> “DDNS”. Select “Asia” in Area (or Locality in some system). Select “Singapore” in Country and “Save”

The issue of “Device not registered” should be resolved by now.
If you have any difficulties, or still don’t know how to do it, don’t worry, please refer to our remote support () to get help from us.


About us

The average home owner or prospective user definitely lacks the technical expertise needed to properly identify and choose the CCTV cable that is most suitable for his needs. Consequently, the intervention of a consulting firm that is capable of guiding the prospective clients in making the right decision is therefore by all means necessary. 

CCTV home is an example of such a company. It basically tests, evaluates and guides consumers in purchasing the right surveillance equipment. To get started, you can visit our website CCTV home or Contact Us is all that is necessary.  A member of its customer care department is always on standby and very eager to receive any incoming inquiries and act on them soonest possible.

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