Connection negotiation for voice over internet protocol using multiple steps
CA 2349140 A1 · Owner: Nortel Networks Limited · Inventors: Pujie, Milos D.; Couillaud, Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is a method and system to negotiation connection between an ingress endpoint and an egress endpoint associated with a network for, a voice connection according to a control protocol. An egress codec is selected to, satisfy a capability description of an ingress endpoint. The egress codec has an, egress codec description. An ingress codec is selected to match a codec parameter, subset from the egress codec description. Communication paths between the ingress and egress endpoints are configured using the selected ingress and egress, codecs, respectively, and the codec parameter subset.
Read the whole patent
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 May 30, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 30, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 30, 2023.
- 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.