Call processing using previously obtained line characteristics
US5764759A · kind A · utility
7Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1994 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Oct 6, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B3/23
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A technique for utilization of call processing resources in a call processing system is disclosed wherein echo characteristics of a telephone line ascertained and utilized by a echo canceler, and are also stored for subsequent use by a different echo canceler which processes a call on that same telephone line. The technique may also be used with call processing resources other than echo cancelers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.