System and method for routing calls based on real-time call pricing information
CA 2198799 A1 · Owner: At&T Corp. · Inventors: Silberschatz, Abraham; Jagadish, Hosagrahar Visvesvaraya; Mumick, Inderpal Singh
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for routing calls according to call pricing data wherein the call, pricing data is updated in real-time. In a preferred embodiment a Real-Time Analysis, Engine (RAE) prices calls in real-time by applying customer specific data to Automatic Message Accounting (AMA) records. The priced call data generated by the RAE is stored in a Summary Database (SD). When a particular customer initiates acall the originating network switch may recall some or all of the priced call data from the SD, and use the recalled data as a basis for deciding how to route the call.
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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 February 28, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 28, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 2019.
- 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.