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E9-1-1 Call Flow. Wireline/Wireless/VoIP Andy Nielsen California 9-1-1 Emergency Communications Office 05/06/2008. S/R. ALI DB. E9-1-1 Basics. Network. PSAP. CPE. Database. The three basic ingredients for E9-1-1 call processing: Network, Database, and CPE. S/R. ALI DB.
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E9-1-1 Call Flow Wireline/Wireless/VoIP Andy Nielsen California 9-1-1 Emergency Communications Office 05/06/2008
S/R ALI DB E9-1-1 Basics Network PSAP CPE Database The three basic ingredients for E9-1-1 call processing: Network, Database, and CPE California 9-1-1 Emergency Communications Office
S/R ALI DB The E9-1-1 Network End-office to Tandem or Selective Router Trunk group PSAP trunk group PSAP End-office Switch ALI Frame Relay Network California 9-1-1 Emergency Communications Office
Wireline Call-flow California 9-1-1 Emergency Communications Office
S/R ALI DB Wireline E9-1-1 Call-flow Call is sent to S/R with ANI Caller dials “9-1-1” Call and ANI are sent to PSAP ANI ANI PSAP End-office Switch “9-1-1” ANI ESN S/R sends ANI to the ALI DB for ESN look-up ESN (which identifies the PSAP) is sent back to the S/R California 9-1-1 Emergency Communications Office
ANI S/R ALI DB Wireline E9-1-1 Call-flow ANI PSAP End-office Switch “9-1-1” ANI ESN CPE at PSAP sends ANI to ALI DB for ALI look-up California 9-1-1 Emergency Communications Office
ANI S/R ALI DB Wireline E9-1-1 Call-flow ANI PSAP End-office Switch “9-1-1” ANI ESN ANI ALI ALI is sent from the ALI DB to the PSAP California 9-1-1 Emergency Communications Office
Wireless Call-flow California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow S/R PSAP End-office Switch ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow S/R PSAP End-office Switch ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow S/R Mobile Switching Center (MSC) PSAP 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow Wireless caller dials 9-1-1 S/R Mobile Switching Center (MSC) PSAP “9-1-1” 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow The MSC requests PSAP info from the 3rd Party DB provider S/R Mobile Switching Center (MSC) PSAP “9-1-1” 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow S/R Mobile Switching Center (MSC) PSAP “9-1-1” The 3rd Party DB sends pANI (which identifies the proper PSAP) back to MSC pANI 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow The MSC sends the caller and the pANI to the S/R, where it follows the same wireline call flow S/R Mobile Switching Center (MSC) PSAP pANI “9-1-1” pANI 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow S/R Mobile Switching Center (MSC) PSAP pANI “9-1-1” S/R sends pANI to the ALI DB for ESN look-up pANI 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow S/R Mobile Switching Center (MSC) PSAP pANI “9-1-1” pANI ESN (which identifies the PSAP) is sent back to the S/R pANI 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow Call and pANI are sent to PSAP S/R Mobile Switching Center (MSC) PSAP pANI “9-1-1” pANI ESN pANI 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow S/R pANI Mobile Switching Center (MSC) PSAP pANI “9-1-1” pANI ESN pANI 3rd Party DB provider ALI DB CPE at PSAP sends pANI to ALI DB for ALI look-up California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow S/R pANI Mobile Switching Center (MSC) PSAP pANI “9-1-1” pANI ESN pANI pANI 3rd Party DB provider pANI ALI DB ALI DB determines pANI belongs to 3rd Party DB provider and sends request over steering links to 3rd Party DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow S/R pANI Mobile Switching Center (MSC) PSAP pANI “9-1-1” pANI ESN pANI pANI 3rd Party DB provider pANI ALI DB ALI record 3rd Party DB looks up pANI, determines call back number, populates ALI record and sends back to ALI DB California 9-1-1 Emergency Communications Office
Wireless E9-1-1 Call-flow S/R pANI Mobile Switching Center (MSC) PSAP pANI “9-1-1” pANI ESN ALI pANI pANI 3rd Party DB provider pANI ALI DB ALI record ALI DB passes ALI record on to PSAP California 9-1-1 Emergency Communications Office
VoIP Call-flow California 9-1-1 Emergency Communications Office
VoIP E9-1-1 Call-Flow S/R Mobile Switching Center (MSC) PSAP 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
VoIP Service Provider (VSP) VoIP E9-1-1 Call-Flow S/R PSAP 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
VoIP Service Provider (VSP) VoIP E9-1-1 Call-Flow Caller dials 9-1-1 S/R PSAP “9-1-1” 3rd Party DB provider ALI DB VoIP caller is sent to 3rd Party DB provider California 9-1-1 Emergency Communications Office
VoIP Service Provider (VSP) VoIP E9-1-1 Call-Flow The VoIP call now follows the same wireline call flow S/R PSAP “9-1-1” Caller and pANI 3rd Party DB provider ALI DB The 3rd Party DB determines what PSAP to send caller to, and sends pANI with call to S/R via Emergency Services Gateway California 9-1-1 Emergency Communications Office
VoIP Service Provider (VSP) VoIP E9-1-1 Call-Flow S/R pANI PSAP “9-1-1” S/R sends pANI to the ALI DB for ESN look-up 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
VoIP Service Provider (VSP) VoIP E9-1-1 Call-Flow S/R pANI PSAP “9-1-1” ESN (which identifies the PSAP) is sent back to the S/R pANI 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
VoIP Service Provider (VSP) VoIP E9-1-1 Call-Flow S/R Call and pANI are sent to PSAP pANI PSAP “9-1-1” ESN pANI 3rd Party DB provider ALI DB California 9-1-1 Emergency Communications Office
VoIP Service Provider (VSP) VoIP E9-1-1 Call-Flow S/R pANI pANI PSAP “9-1-1” ESN pANI pANI pANI 3rd Party DB provider ALI DB CPE at PSAP sends pANI to ALI DB for ALI look-up ALI DB determines pANI belongs to 3rd Party DB provider and sends request over steering links to 3rd Party DB California 9-1-1 Emergency Communications Office
VoIP Service Provider (VSP) VoIP E9-1-1 Call-Flow S/R pANI pANI PSAP “9-1-1” ESN pANI ALI pANI pANI 3rd Party DB provider ALI DB ALI record ALI DB passes ALI record on to PSAP 3rd Party DB looks up pANI, determines call back number, populates ALI record and sends back to ALI DB California 9-1-1 Emergency Communications Office
NGEN Call-Flow Under Construction!! California 9-1-1 Emergency Communications Office