Emergency Calling Services (Calls for police, fire, ambulance, etc.). SIPPING WG IETF 58 Tom Taylor [email protected] Looking at Emergency Calling Service (Calls to police, fire, ambulance, etc.). Call Origin. Emergency Call Centre Location. IP Network. PSTN. PSTN. Legacy.
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Emergency Calling Services(Calls for police, fire, ambulance, etc.)
Emergency Call Centre Location
Routed as emergency call
Routed as ordinary call