Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent
1994-10-06
1998-06-09
Zele, Krista
Telephonic communications
Subscriber line or transmission line interface
Network interface device
406408, 406411, H04M 900, H04B 320
Patent
active
057647593
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.
REFERENCES:
patent: 4914692 (1990-04-01), Hartwell et al.
patent: 4956838 (1990-09-01), Gilloire et al.
patent: 5155760 (1992-10-01), Johnson et al.
patent: 5164989 (1992-11-01), Brandman et al.
Chitrapu Prabhakar
Hamilton Chris
Dialogic Corporation
Kaplan, Esq. Jeffrey I.
Saint-Surin Jacques M.
Zele Krista
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