System for implementing telephone services, control unit for an automatic switch and telephone and computer integration server
CA 2370526 A1 · Owner: France Telecom · Inventors: Collette, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a system for implementing telephone services on one or several telephone installations themselves comprising several telephone terminals (10) managed by one or several private automatic switches (20). The system comprises therefor a computer equipment of the server-type (40) accessible through a computer network and several interfaces (300) for transmitting DTMF ISDN or speech control signals corresponding to the service(s) requested for controlling one or several automatic switches (20) said interfaces being therefor connected to telephone lines of the automatic switches (L1 l2).
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 April 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 18, 2022.
- 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.