Method for routing calls based on subscriber's location
CA 2346435 A1 · Owner: Isotalo, Lauri · Inventors: Isotalo, Lauri
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is based on defining the location of a connection (7) by means of coordinates. The coordinate system employed is advantageously a conventional coordinate system, in which the location can be resolved by the subscriber (7) or network terminal device using the connection (7) with the help of, e.g. a satellite positioning system. According to the invention the , coordinates of the connection (7) are transmitted from the connection over the telecom network to a location data base (3) maintained by at least one telecom operator. When calls are routed according to the invention the location of , the A- or B-subscriber or even of both parties, are analyzed by retrieving …
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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 October 8, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 8, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 8, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.