Communication apparatus connected to ISDN

Details Communication apparatus connected to ISDN Communication apparatus connected to ISDN

1991-07-18

1992-03-31

Dwyer, James L.

Telephonic communications

Telephone line or system combined with diverse electrical...

To produce visual-graphic copy

379355, H04M 1100

Patent

active

051014270

ABSTRACT:
In a communication apparatus connected to an ISDN and having a telephone function, the arrangement is such that when a call is received from another party's facsimile machine, the number of the sending party received is stored in memory. When depression of a communication start switch by the operator is detected during communication by facsimile, a call is made by telephone based on the stored sending party's number. When a call is made to the other party's fdacsimile machine, the other party's dial number is stored. If it is detected that the operator has taken a handset off the hook during communication by facsimile, a call is made by telephone based on the other party's dial number that has been stored.

REFERENCES:
patent: 4672662 (1987-06-01), Nishino et al.
patent: 4825461 (1989-04-01), Kurita et al.
patent: 4864601 (1989-09-01), Berry
patent: 4901343 (1990-02-01), Yamaguchi
patent: 4908851 (1990-03-01), Kotani et al.

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