WO1997044971A3 - Emergency call back using msc numbers - Google Patents

Emergency call back using msc numbers Download PDF

Info

Publication number
WO1997044971A3
WO1997044971A3 PCT/US1997/009563 US9709563W WO9744971A3 WO 1997044971 A3 WO1997044971 A3 WO 1997044971A3 US 9709563 W US9709563 W US 9709563W WO 9744971 A3 WO9744971 A3 WO 9744971A3
Authority
WO
WIPO (PCT)
Prior art keywords
mobile station
msc
msisdn
vlr
psap
Prior art date
Application number
PCT/US1997/009563
Other languages
French (fr)
Other versions
WO1997044971A2 (en
Inventor
Alain Guy Maupin
Vladimir Alperovich
Original Assignee
Ericsson Ge Mobile Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Ge Mobile Inc filed Critical Ericsson Ge Mobile Inc
Priority to DE69733818T priority Critical patent/DE69733818T2/en
Priority to AU32277/97A priority patent/AU715981B2/en
Priority to EP97927941A priority patent/EP0900511B1/en
Publication of WO1997044971A2 publication Critical patent/WO1997044971A2/en
Publication of WO1997044971A3 publication Critical patent/WO1997044971A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/48—Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/50—Connection management for emergency connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Abstract

When establishing an emergency call connection towards a Public Safety Answering Point (PSAP) terminal for a mobile subscriber, instead of transmitting the Mobile Station Integrated Service Directory Number (MSISDN) assigned to the mobile station, a directory number assigned to the serving mobile switching center/visitor location register (MSC/VLR) is transmitted as the Calling Party Number. The MSISDN number is stored into the Generic Address Parameter (GAP) within the transmitted Initial Address Message (IAM) signal. When the PSAP attempts to call back the mobile station in response to a disconnection of the original emergency call connection, the PSAP transmits another IAM signal with the received MSC directory number as the Called Party Number. Once the setup signal is routed to the serving MSC/VLR, an application module within the serving MSC/VLR extracts the MSISDN from the GAP to call back the proper mobile station.
PCT/US1997/009563 1996-05-21 1997-05-20 Emergency call back using msc numbers WO1997044971A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE69733818T DE69733818T2 (en) 1996-05-21 1997-05-20 EMERGENCY RECALL WITH THE HELP OF MSC NUMBERS
AU32277/97A AU715981B2 (en) 1996-05-21 1997-05-20 Emergency call back using MSC numbers
EP97927941A EP0900511B1 (en) 1996-05-21 1997-05-20 Emergency call back using msc numbers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/651,982 US5689548A (en) 1996-05-21 1996-05-21 Emergency call back using MSC numbers
US08/651,982 1996-05-21

Publications (2)

Publication Number Publication Date
WO1997044971A2 WO1997044971A2 (en) 1997-11-27
WO1997044971A3 true WO1997044971A3 (en) 1998-01-29

Family

ID=24615037

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/009563 WO1997044971A2 (en) 1996-05-21 1997-05-20 Emergency call back using msc numbers

Country Status (6)

Country Link
US (1) US5689548A (en)
EP (1) EP0900511B1 (en)
CN (1) CN1136746C (en)
AU (1) AU715981B2 (en)
DE (1) DE69733818T2 (en)
WO (1) WO1997044971A2 (en)

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Also Published As

Publication number Publication date
AU3227797A (en) 1997-12-09
US5689548A (en) 1997-11-18
CN1226364A (en) 1999-08-18
DE69733818D1 (en) 2005-09-01
WO1997044971A2 (en) 1997-11-27
DE69733818T2 (en) 2006-05-24
AU715981B2 (en) 2000-02-10
EP0900511A2 (en) 1999-03-10
CN1136746C (en) 2004-01-28
EP0900511B1 (en) 2005-07-27

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