Bar — Incoming Calls

: The restriction happens on your carrier’s side, meaning the caller often hears a recorded message instead of a busy signal or ringing.

At the network level, Call Barring is part of the Supplementary Services within the GSM/UMTS standard. When activated by the user (often via a Facility Lock code such as BAIC - Barring of All Incoming Calls), the network prevents the incoming call setup message from reaching the user's device, or rejects the call request with a specific cause code (e.g., "Call Barred"). bar incoming calls

| Pros | Cons | |------|------| | Stops harassment / spam | May miss important calls | | Carrier barring = zero rings/voicemail | Carrier barring blocks entire categories (not selective) | | Built-in blocks are easy & free | Spoofing bypasses number blocks | | Good for temporary isolation | Voicemail still fills up (except carrier barring) | : The restriction happens on your carrier’s side,