Method and apparatus for concealing mute in an IP-based telephony system
US6754342B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2000 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Oct 31, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/2535
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for improving the mute function of an IP telephone is disclosed, where the method comprises determining, by a transmitting IP telephone, whether the mute function has been activated; and if the mute function has been activated, then providing, a predetermined output. Various aspects of the method are disclosed, including: an aspect where the predetermined output is characterized by the absence of silence as detected by an RX unit when the mute function of a TX unit is activated; an aspect where the predetermined output comprises a signal in which voice information has been removed; and an aspect where the removing of voice information is performed by an audio filter disposed within the TX unit of an IP telephone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.