Telephonic communications – Plural exchange network or interconnection – Connection call model
Patent
1998-10-06
2000-05-16
Smith, Creighton
Telephonic communications
Plural exchange network or interconnection
Connection call model
370237, H04M 300
Patent
active
060647272
ABSTRACT:
A subscriber receives substantially uninterrupted telecommunications service at a station set (12) by virtue of a connection between the set and a telephone facility (20) via a preferred communications channel (14) and an alternate communications channel (16). First and second intelligent switching means (44, 46) are associated with the subscriber station set and with the telecommunications facility (20), respectively. The first and second intelligent switching means route calls from the station set and the telephone facility to the telephone facility and station set, respectively, based on the availability of the first and second communications channels and on the characteristics of the call.
REFERENCES:
patent: 5608446 (1997-03-01), Carr et al.
patent: 5661792 (1997-08-01), Akinpelu
patent: 5675577 (1997-10-01), Komatsu
patent: 5774527 (1998-06-01), Handelman et al.
US Patent Application Serial No. 08/671745, Filing Date Jun. 28, 1996 (Buhrmann 7-3).
US Patent Application Serial No. 08/768371, Filing Date Dec. 17, 1996 (Buhrmann 8-6).
US Patent Application Serial No. 08/644027, Filing Date May 9, 1996 (Amin 2-5).
AT&T Corp
Levy Robert B.
Smith Creighton
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