fun onCallStateChanged(state: Int, number: String, verificationStatus: String) { when (state) { TelephonyManager.CALL_STATE_RINGING -> { val displayInfo = when (verificationStatus) { "STIR_VALIDATION_A" -> "Verified Caller: $number" "STIR_VALIDATION_B" -> "Partially Verified: $number" "STIR_VALIDATION_C" -> "Unverified / Potential Spam: $number" else -> "Incoming Call: $number" } updateUI(displayInfo) } } }
Standards for how carriers should implement STIR.
"Cracked" APKs (Android) or IPA files (iOS) are not found on official app stores. They are hosted on third-party sites. Often, these files are "Trojanized," meaning they contain hidden code designed to: Steal your . Access your SMS messages (including 2FA codes). Record your microphone audio . 2. Broken Functionality
* The 67 Prefix: In the US and Canada, dialing *67 before a number hides your Caller ID entirely, showing up as "Private" or "Blocked."