Method for making available features for alternative connections of primary connections
CA 2467482 A1 · Owner: Siemens Aktiengesellschaft · Inventors: Hipfinger, Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for creating alternative routes to primary connections, particularly to voice-over IP connections in which the data , transmission occurs in a primary network (106b) and an alternative data , transmission occurs in a as a rule, less efficient secondary network (106a). According to the invention, a system architecture with geographically distributed gateways (102a+b) can be used said gateways being controlled by a , central call processing server (104). In the event that a disturbance of a signaling path (107a) of the communications connection of the primary network (106b) is detected, an alternative connection for the signaling path (107a) is …
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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 November 29, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 29, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 29, 2024.
- 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.