Apparatus and method for accessing and maintaining a caller-ID b

Details Apparatus and method for accessing and maintaining a caller-ID b Apparatus and method for accessing and maintaining a caller-ID b

1995-09-18

1996-06-18

Hofsass, Jeffery

Telephonic communications

Supervisory or control line signaling

Substation originated

379354, 379 67, 379 88, H04M 127

Patent

active

055286801

ABSTRACT:
A caller-ID telephone station having a caller-ID based directory of telephone numbers automatically adapts its directory to compensate for a change to the area code in which the telephone station is located. The caller-ID telephone station stores the area code for all incoming caller-ID telephone numbers along with each telephone number received. The telephone station also stores its home area code. This home area code is inputted by a user during an initialization step when the telephone station is first installed, moved to a different area code or the station's locale is changed to a different area code. In response to a request from the user for dialing a telephone number entered into the directory, the telephone station compares the stored area code received as part of the caller-ID telephone number with the stored home area code and determines from this comparison whether to include or omit the received area code as part of the dialed telephone number. In one disclosed embodiment, the received area code is included in the dialed telephone number only if the received area code and the home area code are different.

REFERENCES:
patent: 4443664 (1984-04-01), Gange
patent: 4873719 (1989-10-01), Reese
patent: 4924496 (1990-05-01), Figa et al.
patent: 4942599 (1990-07-01), Gordon et al.
patent: 4945557 (1990-07-01), Kaneuchi et al.
patent: 4959855 (1990-09-01), Daudelin
patent: 5267304 (1993-11-01), Slusky

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