The Extrion Knowledge Center
Practical, plain-English guides, step-by-step fixes and honest comparisons for CCTV, networks, websites, software, smart buildings and safety systems, written by engineers who install and support them in Zanzibar and across Tanzania.
"Camera offline" can mean two very different things. If one camera shows offline or "No video" on the recorder (NVR), the problem is between that came...
See the fixLive view works, but when you search for last night's footage the timeline is empty, or the recorder says "no record file found". This is the worst ti...
See the fixMikroTik routers are popular with businesses, hotels and internet providers because they are powerful and good value. That power has a cost: when the...
See the fixFull bars in the reception, nothing in room 12. Video calls that freeze when you walk to the kitchen. Guests complaining in reviews. Wi-Fi dead zones...
See the fixYour website suddenly shows a plain page saying "508 Resource Limit Is Reached", sometimes with the words "The website is temporarily unable to servic...
See the fixWhen business email stops, customers' quotes, bookings and invoices go nowhere, and often nobody notices for a day or two. The causes range from a ful...
See the fixAn IP video intercom has more parts than it looks: an outdoor door station with a camera and call button, one or more indoor monitors (or indoor stati...
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