Telephonic communications – Supervisory or control line signaling – Substation originated
Patent
1996-08-30
1998-06-16
Bost, Dwayne D.
Telephonic communications
Supervisory or control line signaling
Substation originated
379354, 379 93, 37910014, 379 9323, 455564, 455556, 455575, H04M 100
Patent
active
057683620
ABSTRACT:
An internal telephone directory for storing telephone numbers and communication protocol parameters. The telephone directory includes a contact entry type and a data service entry type, with both entry types possessing an entry type flag to distinguish between them, and an alphanumeric tag for identification. The contact entry further includes a set of entry fields for storing telephone numbers associated with the alphanumeric tag. The data service entry further includes a set of entry fields for storing a data service telephone number and communication protocol parameters.
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Bost Dwayne D.
Ericsson Inc.
Ferguson Keith
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