Telecommunications conferencing method and apparatus
CA 2285095 A1 · Owner: Iyer, Prakash · Inventors: Aravamudan, Murali; Iyer, Prakash
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A conference bridge is selected for a conference call so as to reduce the overall, cost of the conference call, and the conference bride selected may be changed dynamically, e.g. as parties are added or dropped from the conference call so as to, continuously maintain the low cost of the conference call. User telephones are connected, via device servers, which may include a packet circuit gateway (PCG) to a , packet, network which provides both transport and service. Accordingly in response to , a request, for a conference call the packet network determines the parties to be on the conference, call and selects a conference bridge that results in the lowest cost for the conference 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 October 6, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 6, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 6, 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.