: If you try to scan a QR code within Telegram but your app returns an "Access Denied" or permission error, you must grant your device’s operating system permission for Telegram to access the camera. On Android and iOS, this is found in Settings > Privacy > Camera .

What of IP camera are you trying to configure? Are you looking to avoid monthly cloud subscription fees ?

For maximum security, isolate IP cameras from the rest of a home network. Setting up a dedicated Guest Wi-Fi network or a Virtual Local Area Network (VLAN) for smart home devices ensures that even if a camera is somehow compromised, the primary computers and phones remain safe from lateral network attacks. Conclusion

: Use a PoE (Power over Ethernet) injector or a 12-volt DC power supply to ensure constant uptime.