Phone on a switch CER does not know

Sources and go deeper

Opened 2026-10. A row marked confirm has no link, because that page was not verified.

Cisco. Cisco Emergency Responder Administration Guide, Release 15 last checked 2026-10
Cisco. Configure Cisco Unified Communications Manager, Emergency Responder 15 last checked 2026-10
FCC. FCC, Kari's Law and RAY BAUM'S Act for multi-line telephone systems last checked 2026-10
Wikipedia. Enhanced 911 (Wikipedia) last checked 2026-10
Law. Emergency-calling rule outside the FCC MLTS page. confirm. No statute outside that FCC page was opened. Confirm the rule where the site operates. last checked 2026-10