{
  "id": "emergency/ai-suggests-texting-911-when-disabled",
  "signature": "AI suggests texting 911 in the US for a medical emergency, ignoring that TTY/TDD and real-time text are the correct accessible options",
  "signature_zh": "AI建议在美国的医疗紧急情况下发短信给911，忽略了正确的无障碍选项是TTY/TDD和实时文本",
  "regex": "(text\\s*911|sms\\s*911|message\\s*911).*emergency",
  "domain": "emergency",
  "category": "life_safety",
  "subcategory": null,
  "root_cause": "The AI incorrectly generalizes that texting 911 is universally available and accessible, whereas many US PSAPs do not support SMS for emergencies; the FCC mandates TTY/TDD and RTT (Real-Time Text) as the standard accessible channels for deaf/hard-of-hearing callers.",
  "root_cause_type": "generic",
  "root_cause_zh": "AI错误地认为发短信给911是普遍可用且无障碍的，而实际上美国许多公共安全应答点（PSAP）不支持紧急短信；FCC规定TTY/TDD和实时文本（RTT）是聋哑/听障人士的标准无障碍通道。",
  "versions": [
    {
      "version": "FCC RTT Mandate 2023",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "NG911 Phase 1",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "iOS 17 RTT",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Android 14 RTT",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Advise user to enable 'Text to 911' in phone settings",
      "why_fails": "Not all carriers or regions support SMS-to-911; enabling the setting does not guarantee delivery to the correct PSAP.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "Suggest using a third-party relay service app for emergency texting",
      "why_fails": "Third-party apps may have latency or routing issues; official RTT is built into the OS dialer and should be used instead.",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    },
    {
      "action": "Tell user to call 911 and then switch to text if unable to speak",
      "why_fails": "If the user cannot speak due to disability, calling first may be impossible; RTT allows simultaneous voice and text.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Use the built-in RTT (Real-Time Text) feature on iOS: Settings > Accessibility > RTT > enable 'Software RTT' and dial 911. On Android: Phone app > Settings > Accessibility > RTT > select 'Visible during call' and dial 911.",
      "success_rate": 0.9,
      "how": "Use the built-in RTT (Real-Time Text) feature on iOS: Settings > Accessibility > RTT > enable 'Software RTT' and dial 911. On Android: Phone app > Settings > Accessibility > RTT > select 'Visible during call' and dial 911.",
      "condition": "",
      "sources": []
    },
    {
      "action": "If RTT is not available, use TTY/TDD by connecting a TTY device via the headphone jack, or use the TTY software mode on iPhone (Settings > Phone > TTY).",
      "success_rate": 0.75,
      "how": "If RTT is not available, use TTY/TDD by connecting a TTY device via the headphone jack, or use the TTY software mode on iPhone (Settings > Phone > TTY).",
      "condition": "",
      "sources": []
    },
    {
      "action": "Register for local PSAP SMS-to-911 support by checking with your carrier and local emergency management office; keep a backup plan like a pre-written script for a hearing person to call on your behalf.",
      "success_rate": 0.65,
      "how": "Register for local PSAP SMS-to-911 support by checking with your carrier and local emergency management office; keep a backup plan like a pre-written script for a hearing person to call on your behalf.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Use the built-in RTT (Real-Time Text) feature on iOS: Settings > Accessibility > RTT > enable 'Software RTT' and dial 911. On Android: Phone app > Settings > Accessibility > RTT > select 'Visible during call' and dial 911.",
    "If RTT is not available, use TTY/TDD by connecting a TTY device via the headphone jack, or use the TTY software mode on iPhone (Settings > Phone > TTY).",
    "Register for local PSAP SMS-to-911 support by checking with your carrier and local emergency management office; keep a backup plan like a pre-written script for a hearing person to call on your behalf."
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.fcc.gov/consumers/guides/accessibility-emergency-communications",
  "official_doc_section": null,
  "error_code": "E911-ACCESS-ERR-001",
  "verification_tier": "ai_generated",
  "confidence": 0.85,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-03-15",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}