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NG9-1-1 Prototype Demo. Jong Yul Kim, Wonsang Song, and Henning Schulzrinne. Brief Overview. Background How 9-1-1 works Differences in VoIP Environment Introduction The NG9-1-1 Project Implemented Requirements NG9-1-1 Prototype Architecture and Components Demonstrations. < 5 min.

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NG9-1-1 Prototype Demo

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NG9-1-1 Prototype Demo

Jong Yul Kim, Wonsang Song,

and Henning Schulzrinne


Brief Overview

  • Background

    • How 9-1-1 works

    • Differences in VoIP Environment

  • Introduction

    • The NG9-1-1 Project

    • Implemented Requirements

  • NG9-1-1 Prototype Architecture and Components

  • Demonstrations

< 5 min

< 5 min

40 min


Local Switch

Automatic

Number

Identification

Automatic

Location

Identification

Collaboration between

local phone providers and

local public safety agencies


Difference between PSTN and VoIP Emergency Calling


The NG9-1-1 Project


Implemented NENA Requirements

* based on NENA i3 Requirements TID, Nov-2005


Location

Routing

PSTN

NG9-1-1 Prototype Architecture


Location is important!

Caller in NY

Caller in NJ


Locating Caller using LLDP-MED

LLDP-MED stands for: *

Link Layer Discovery Protocol

“a vendor-neutral Layer 2 protocol that allows a network device to advertise its identity and capabilities on the local network.”

Media Endpoint Discovery

“an enhancement to the LLDP that allows discovery of other things including location“

* From Wikipedia

“I am LLDP-MED Capable.

I can process location information.”

“Your location is:

500 W 120TH st. New York NY 10027”


Location

Routing

PSTN

NG9-1-1 Call Routing


Caller’s location

Service provider

(PSAP URL)

+

Service identifier

(urn:service:sos)

Routing Using LoST

  • LoST stands for

    Location-to-Service Translation

  • Work in progress at IETF ECRIT WG

+

Emergency Dial String


Demo of call routing

? ?

Location +

Service ID

NY PSAP


Location

Routing

PSTN

NG9-1-1 IP PSAP Features


Map and Multimedia

  • PSAP operator needs to see caller information on a map

  • PSAP operator can communicate with caller using multimedia


Inviting NYPD into an on-going session

CALL NYPD

Caller ID

& Location


Language-based Call Distribution

? ?

ESPANOL


Callback

Fetching Caller Info…


Call Queue

BUSY

BUSY

Play Announcement


Call Overflow

BUSY

BUSY

FULL

Even the queue is full!

Redirect call to a backup PSAP


Call logs and recorded sessions


Q&A

Do you have any question?


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