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PSAP

DNS. VPC. DHCP. LIS. SRDB. MSAG. ALI DB. Basic – routing query and call routing. Emergency Services Provider Network. VoIP domain. Call server. E9-1-1 Selective Router. V4. ESGW. PSAP. 7. Call route. 2. Call-Init( Loc-Client-ID, [LIS-ID], [LOC], [eLGW] ). 3. Query

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PSAP

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  1. DNS VPC DHCP LIS SRDB MSAG ALI DB Basic – routing query and call routing Emergency Services Provider Network VoIP domain Call server E9-1-1 Selective Router V4 ESGW PSAP 7. Call route 2. Call-Init( Loc-Client-ID, [LIS-ID], [LOC], [eLGW] ) 3. Query (Client-ID, [LIS-ID], [LOC], CallBack*, Provider ID)6. Response with ESQK User Agent V1 V2 1. LIS-ID, [LO], [eLGW] V0 V3 5. PLR(Client-ID)5a PLResp(LO) DBMS 4. NSLU( LIS-ID)

  2. DNS VPC DHCP LIS SRDB MSAG ALI DB Proxy Redirect – proxy performs routing query VoIP domain Emergency Services Provider Network Call server 9. Call route V4 E9-1-1 Selective Router PSAP 2. Call-Init( Loc-Client-ID, [LIS-ID], [LOC], [eLGW] ) ESGW V5 Redirect Proxy 3. Invite8. Redirect 4. Query (Client-ID, [LIS-ID], [LOC], CallBack*, Provider ID)7. Response with ESQK V1 User Agent V2 1. LIS-ID, [LO], [eLGW] V0 V3 6. PLR(Client-ID)6a PLResp(LO) DBMS 5. NSLU( LIS-ID)

  3. DNS VPC DHCP LIS SRDB MSAG ALI DB Proxy route – proxy performs query and route VoIP domain Emergency Services Provider Network Call server Routing Proxy V5 8. Call route E9-1-1 Selective Router 3. Invite PSAP 2. Call-Init( Loc-Client-ID, [LIS-ID], [LOC], [eLGW] ) ESGW V4 4. Query (Client-ID, [LIS-ID], [LOC], CallBack*, Provider ID)7. Response with ESQK V2 V1 User Agent 1. LIS-ID, [LO], [eLGW] V3 V0 6. PLR(Client-ID)6a PLResp(LO) DBMS 5. NSLU( LIS-ID)

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