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Android screen rotation control: How to stop your phone from flipping when you don’t want it to

Android’s built-in screen rotation control is a binary choice: either the phone rotates automatically based on its accelerometer, or it doesn’t. That sounds fine until you’re reading in bed and a slight shift of your wrist flips the screen sideways, or you’re trying to show someone a photo in landscape and the device refuses to cooperate.

Planning VoIP for branch offices: What to measure before adding more phones

Adding phones to a branch office seems simple, until calls start dropping during busy periods or audio quality degrades for no obvious reason. Most VoIP problems trace back to decisions made before a single handset is installed: how many concurrent calls the connection can support, whether latency and jitter are low enough to preserve voice quality, and whether the WAN has genuine headroom once other traffic is factored in.