1. Emergency Call number support
Month Year
doc.: IEEE yy/xxxxr0
November 2006
Emergency Call number support
Date:
Authors:
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Donghee Shim et al, LG Electronics, Inc.
John Doe, Some Company

2. Month Year
doc.: IEEE yy/xxxxr0
November 2006
Abstract
This proposal describes the emergency call number download capability in the Visited SSPN for a STA to make an appropriate emergency call with the downloaded number.
No change on currently defined architectures and frames for emergency call support is required.
At the end of the presentation, there will be a motion to determine next steps.
Donghee Shim et al, LG Electronics, Inc.
John Doe, Some Company

3. Month Year
doc.: IEEE yy/xxxxr0
November 2006
Overview
Current working assumption for emergency call is emergency call will be settled in the Visited Network and routed to correct PSAP in the Visited Network.
STA should be able to detect an emergency call had been established – e.g. by detecting emergency call numbers (in case of IMS emergency call, that would be emergency services TEL URI or SIP URI) or by the special user interface (e.g. designated button or icon in the STA for emergency services) to make an emergency call in Visited Network
Otherwise, the STA have to send emergency call request to the Home Network in IMS emergency call or every local emergency number for every Visited Network should be stored in a STA.
Based on these discussions, it is recommended to define a capability to provision a STA with local emergency numbers of Visited SSPN
Put local emergency call number in Beacon
Put local emergency call number in Probe Response
Put local emergency call number in Association Response
Donghee Shim et al, LG Electronics, Inc.
John Doe, Some Company

4. Emergency Call Support in Visited SSPN
November 2006
Emergency Call Support in Visited SSPN
PSAP
PSAP
Emergency
Call
Emergency Network
(Home domain)
Call Manager
Emergency Network
(Visited domain)
Callback
SSPN
(Visited domain)
SSPN
(Home domain) DS
IEEE AN
Roaming
IEEE AN
Subscriber
Donghee Shim et al, LG Electronics, Inc.

5. November 2006
Discussion
To support emergency call in the Visited SSPN, the local emergency call numbers in the Visited SSPN should be available before a STA makes an emergency call
This means that WLAN Access Network should provide the local emergency call numbers in every SSPN for every possible roaming STA user
Local emergency call number download is already supported in 3GPP GSM/GPRS/WCDMA and IMS Emergency call, however, there is no support in WLAN and I-WLAN scenarios yet
Donghee Shim et al, LG Electronics, Inc.

6. November 2006
Proposal
Local emergency call numbers shall be downloaded in the Beacon, Probe Response and Association Response frame
Put local emergency call numbers in Beacon
Put local emergency call numbers in Probe Response
Put local emergency call numbers in Association Response
Donghee Shim et al, LG Electronics, Inc.

7. Example Message Sequence Chart
Month Year
doc.: IEEE yy/xxxxr0
November 2006
Example Message Sequence Chart
Donghee Shim et al, LG Electronics, Inc.
John Doe, Some Company

8. Feedback? November 2006 Month Year doc.: IEEE 802.11-yy/xxxxr0
Donghee Shim et al, LG Electronics, Inc.
John Doe, Some Company

9. November 2006
Motion
Move to have authors draft normative text for potential inclusion into TGu draft
Moved:
Seconded:
Donghee Shim et al, LG Electronics, Inc.