A method and apparatus for handling emergency calls in a packet switched radio access network
CA 2593569 C · Owner: Olsson, Magnus · Inventors: Terrill, Stephen; Busin, Ake; Olsson, Magnus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for providing location information for subscribers connected to a packet-switched mobile access network (300) in connection with emergency calls made over a multimedia service network (308). An emergency request is received (3:1) at the multimedia service network from a subscriber (A) containing the calling number of the subscriber. In response thereto a , media gateway control function (310) in the multimedia service network sends a location query (3:3) including said calling number to a mobile positioning centre (304) in the mobile access network which then can retrieve (3:4) , location information for the subscriber. After receiving location information …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed January 18, 2006 and granted August 6, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 18, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.