Conferencing method for telephone switch system
US5889844A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1996 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Dec 18, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A conferencing method for a telephone switch system for performing a conferencing function. In addition to a simple conferencing function, if there is a call request from a new subscriber, a conferencing function subscriber makes the existing subscriber wait, and communicates with the new subscriber or selects to communicate with the existing subscriber. Also, if it is desired to delete a specific subscriber, the specific subscriber can be deleted during conferencing communication, using a deletion key and a deletion code. If it is intended to delete some subscribers and add some subscriber during the conferencing communication, deletion and addition can be simultaneously performed, thereby achieving various conferencing services.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.