The Next Generation 9-1-1 Proof-of-Concept System About the project “EMERGENCY HELP. Anytime, anywhere, any device.”™ National Emergency Number Association (NENA) IETF ECRIT Working Group IETF GEOPRIV Working Group NENA High level requirements Use of multimedia Data delivery and sharing Recording and incident details Call taker user interface Technical standards Technical standards IETF ECRIT Working Group System architecture IETF GEOPRIV Working Group Behavior of components Format of location objects The NG9-1-1 POC System The POC system is deployed in 5 real PSAPs and 3 labs across the USA. PSAP: Public Safety Answering Point (=Emergency call center) King County, WA Bozeman, MT St. Paul, MN Rochester, NY Columbia Univ. Lab Fort Wayne, IN BAH Lab TAMU Lab POC system is divided into two networks Emergency Services Network (ESN) PSAP A 9-1-1 Location-to-Service Translation (LoST) Server PSAP SIP Proxy . . . Emergency Services Routing Proxy (ESRP) Call Distributor Call Takers SIP-based network of PSAPs SIP Back-to-back User Agent managed by the emergency authorities . Network used by emergency caller to ask for .help Public Safety Answering Points (PSAP) Emergency Services Network (ESN) . PSAP Z Examples: PSTN, Cellular, Residential VoIP Access Network Role 1. Determine location of caller 2. Route call to ESN Conference Server PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers ① ③ Why is location important? • Send help to the site of emergency • Route call to the correct destination ② How do I send my location? •Sent along with SIP INVITE •Formatted as PIDF-LO XML object GPS LLDP-MED DHCP Cell Tower Manual Entry Skyhook Wireless Emergency Services Network (ESN) VoIP PSAP A LoST 9 -1-1 9-199-1-1 Location-to-Service Translation (LoST) Server Emergency Services Routing Proxy (ESRP) SIP PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers . . Points (PSAP) Public Safety Answering . PSAP Z PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers RTP Conference Server Access Network Emergency Services Network (ESN) VoIP PSAP A LoST 9-1-1 Location-to-Service Translation (LoST) Server Emergency Services Routing Proxy (ESRP) SIP PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers . . Points (PSAP) Public Safety Answering . PSAP Z PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers RTP “All call takers are busy…” Conference Server Access Network Emergency Services Network (ESN) Cellular PSAP A LoST 9 -1-1 9-199-1-1 Location-to-Service Translation (LoST) Server Emergency Services Routing Proxy (ESRP) SIP PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers . . Points (PSAP) Public Safety Answering . PSAP Z PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers RTP Conference Server Access Network Emergency Services Network (ESN) SMS PSAP A LoST 9 -1-1 9-199-1-1 Location-to-Service Translation (LoST) Server PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers “Bank robbery!” Emergency Services Routing Proxy (ESRP) SIP . . Points (PSAP) Public Safety Answering . PSAP Z S Conference Server Access Network PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers Emergency Services Network (ESN) Telematics PSAP A LoST 9 -1-1 9-199-1-1 Location-to-Service Translation (LoST) Server Emergency Services Routing Proxy (ESRP) SIP PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers . . Points (PSAP) Public Safety Answering . PSAP Z PSAP SIP Proxy . . . Call Distributor SIP Back-to-back User Agent Call Takers RTP Conference Server Access Network Crash Data Final Comments • We are beginning to understand what an emergency response system should look like • There are lots of interesting network problems in emergency communication systems – Location of network devices – “Call setup time (dialing of last digit to ring at the PSAP), under expected peak load shall be less than 2 seconds.” – Reliable communications in large scale disasters