Tandem

(Bismarck)

Tandem

(Fargo)

PSAP

ALI Database(Longmont, CO)

ALI Database(Miami, FL)

Wireless Carrier Domain

||

Central Office

+

Mobile Switching Center

+

Mobile Positioning Center

+

Position Determining Equipment

Wireless Call Flow

Voice Path

Data Path

1

Wireless Data Management

PSAP A PSAP CPSAP B

Wireless Program Manager(NDACo)

ALI Database(Longmont, CO)

ALI Database(Miami, FL)

Consultation As Necessary

Tandem

(Fargo)

Tandem

(Bismarck)

WirelessCarrier

Intrado

Provisioning

New

Cell

2

Tandem

(Bismarck)

Tandem

(Fargo)

PSAP

ALI Database(Longmont, CO)

ALI Database(Miami, FL)

VoIP Carrier Domain

||

Central Office

+

Emergency Services Gateway

+

VoIP Positioning Center

VoIP Call Flow

VoIP Phone

IP Network

Voice Path

Data Path3

VoIP Data Management

User

VoIP Phone

VoIP Carrier Domain

Address validation

performed

against third-party

map data

Registration

4

Tandem

(Bismarck)

Tandem

(Fargo)

PSAP

ALI Database(Longmont, CO)

ALI Database(Longmont, CO)

Voice Path

Data Path

Landline(POTS)

Local Exchange CarrierCentral Office

Landline Call (Intrado ALI)

5

Landline Data Management(Intrado ALI)

PSAP

ALI Database(Longmont, CO)

ALI Database(Miami, FL)

Tandem

(Fargo)

Tandem

(Bismarck)

Intrado

Provisioning

MSAG

Local Exchange Carrier

MSAG Issues

SOI

Errors

MSAG Management

6

ALI DatabaseProvided by

Local Exchange Carrier

Voice Path

Data Path

Landline(POTS)

Local Exchange CarrierSwitch

Landline Call (Local ALI)

PSAP

Call can arrive from a

competing local exchange

carrier

Database may reside at the

PSAP or hosted at the Local

Exchange Carrier’s Facility

7

Landline Data Management

(Local ALI)

PSAP

ALI DatabaseProvided By

Local Exchange Carrier

MSAG Local Exchange

Carrier

MSAG ManagementProvisioning

MSAG IssuesSOI

Errors

Local Exchange Carrier

Switch

8

Tandem

(Fargo)

PSAP

Mapping Database(Local)

Voice Path

Data Path

Landline(POTS)

Local Exchange CarrierCentral Office

Landline Call (No ALI)

TN-based Routing

(Some PSAPs have

direct trunks that bypass the

Tandem)

Tandem

(Bismarck)

9

Mapping Database(Local)

Local Exchange

Carrier

Landline Data Management

(No ALI)

PSAP

SOI

10

Tandem

(Bismarck)

Tandem

(Fargo)

PSAP

ALI Database(Longmont, CO)

ALI Database(Longmont, CO)

Voice Path

Data Path

Landline(POTS)

Local Exchange CarrierCentral Office

Landline CallNorth Dakota State

Radio

ALI DatabaseBullBerry

11

Landline Data Management

North Dakota State Radio

PSAPIntrado

Customer

ALI Database(Longmont, CO)

ALI Database(Miami, FL)

Selective Router

(Fargo)

Selective Router

(Bismarck)

Intrado

Provisioning

MSAG

Local Exchange Carrier

MSAG Issues

SOI

Errors

MSAG Management

PSAPNon-Intrado

CustomerBullBerry

Address Point Management

SOI Extracts

ALI DatabaseBullBerry

Provisioning

12

PSAP

NG9-1-1 Call FlowALL

“End State”

Wireless

Carrier Domain

VoIP

Carrier Domain

VoIP Phone

IP Network

Landline(POTS) Landline

Carrier

Future Service

Provider Domain

IP Network

LIS / CIDB

ESInet

BCF

ECRF(Private)

ECRF(Public)

ECRF(Public)

ESRP

Terminating ESRP

(a.k.a. CPE)

BCF

1

3

13

2 4

4

5

6

7

6

PSAP NDDES

ECRF

LVF

Local Exchange Carrier

LIS / CIDB

VoIP Carrier Domain

Future Service

Provider Domain

Wireless Carrier Domain

GIS Issues

NG9-1-1 Data

ManagementGIS Management

14

1

23