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| Number | Title | Issue Date |
| 7006616 | Teleconferencing bridge with EdgePoint mixing In accordance with the principles of the present invention, an audio-conference bridging system and method are provided. The present invention discards the traditional notion of a single mixing function for a conference. Instead, the novel, flexible design of the pr... | 02/28/2006 |
| 6321098 | System and method for the recording and processing of information in a wireless communication device A wireless communication device provides streamlined access to recording functions that allow a user to readily record information from a called directory information service provider or other predetermined number. Directory service provider numbers and o... | 11/20/2001 |
| 6111937 | Apparatus and method for automatically determining whether a telephone service user speaks the language of the service This invention is characterized by providing an apparatus for automatically discriminating service users which can prevent troubles from occurring between the service provider and users because of difference in language. When the service provider has a ca... | 08/29/2000 |
| 5117454 | Exchange having a display apparatus for displaying calls terminated at an attendant console An exchange having a display apparatus for displaying the states of a plurality of subscriber terminals accommodated therein. The display apparatus includes a display board having n indicator-keys, each for displaying the state of a subscriber terminal an... | 05/26/1992 |
| 4972454 | Radio telephone apparatus and a method of controlling same A radio telephone apparatus comprising a main station connected to a wire telephone line and having a subsidiary telephone set, and a radio telephone set connected with the main station via a radio link, wherein the radio telephone set effectively or inef... | 11/20/1990 |
| 4888797 | Circuit protection device A detachably attachable protection device for use with a circuit routed to a DSX panel or the like in a telephone switching station includes a fixed plate having apertures for visual access to a light associated with the circuit, an aperture for access to... | 12/19/1989 |
| 4876711 | Series connected telephone service system An off-site remote telephone service system is connected in series with subscribers to the system and the associated central telephone office for providing to each of the subscribers additional telephone services. The telephone service system is connected... | 10/24/1989 |
| 4802209 | Paging system for electronic telephone apparatus The present invention discloses a switching system including an exchange coupled to a plurality of telephone lines, a plurality of telephone sets, and an attendant console. When the exchange receives a paging request of an incoming telephone call from the... | 01/31/1989 |
| 4744103 | Computer controlled multi-link communication system A multi-link communication system includes a number of stations and interconnecting audio links under the control of a central computer. Each station is addressable by the computer for connecting selected stations to a selected audio link for establishing... | 05/10/1988 |
| 4731824 | Chime pulser for phone call backup interpreter The flashing light, which is used by automatic telephone call distributing equipment to indicate that incoming calls have backed up and are awaiting service, generates voltage signals the frequency of which increases with the increase in the number of cal... | 03/15/1988 |
| 4286118 | Data distribution system for private automatic branch exchange A data distribution system for a private branch telephone exchange for providing information to a plurality of PBX stations. Two embodiments (serial and parallel) including addressable stations are shown. Memory devices driving a plurality of displays at ... | 08/25/1981 |
