Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent
1992-03-27
1993-01-19
Dwyer, James L.
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
379212, 379265, 379266, H04M 358
Patent
active
051812398
ABSTRACT:
Method and apparatus for permitting host applications processors to read information from and/or to write information into a database which is stored at a switching machine which interfaces with the host applications processors. The information relates to a caller and the database record for the caller is maintained as long as the caller has an ongoing telephone call at the switch.
REFERENCES:
patent: 4400587 (1983-08-01), Taylor et al.
patent: 4737983 (1988-04-01), Frauenthal et al.
patent: 4805209 (1989-02-01), Baker, Jr. et al.
patent: 4943996 (1990-07-01), Baker, Jr. et al.
patent: 4951310 (1990-08-01), Honda et al.
Dwyer James L.
Einschlag Michael B.
Matar Ahmad F.
ROLM Systems
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