Patent · US Expired

Protocol adapter equipment for a telephone set, and a telephone set provided with such equipment

US5936952A · kind A · utility

45Cited by
4References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 23, 1997
Grant dateAug 10, 1999
Priority date
Expiry dateApr 23, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M7/1205
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

Protocol adapter equipment for a telephone set including a processing unit (14) provided with hardware and software means organized to enable the telephone set to operate in compliance with a circuit mode communications protocol via a communications link (3) of a telephone network (4), and a telephone set provided with such equipment. The equipment includes a coupler (18) enabling it to operate in packet mode via the communications link in addition to the coupler (17) enabling it to operate in circuit mode, the two couplers being connected to said communications link via a selective switching member (16) and being governed by the processing unit of the set, which unit is provided, for this purpose, with means including a packet mode protocol manager (20) in addition to a circuit mode protocol manager (19).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.