Telephonic communications – Special services – Priority override
Reexamination Certificate
1998-11-23
2001-03-27
Hong, Harry S. (Department: 2742)
Telephonic communications
Special services
Priority override
C379S196000, C379S218020, C379S903000
Reexamination Certificate
active
06208726
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of Invention
The invention relates to the field of communications, and more particularly to an advanced call breakthrough service allowing desired parties to break through a busy telephone signal.
2. Description of Related Art
Emergency breakthrough systems have been available on the public switched telephone network (PSTN) for some time. When a caller desires to reach a telephone number which is producing a busy signal, the caller can currently dial the operator and, for a special charge, have the operator connect the caller into the called party's existing telephone call. However, the available scheme for urgent breakthrough access is cumbersome, and requires several minutes of time to obtain operator assistance and complete the breakthrough transaction. A technique for making emergency call breakthrough quicker, more reliable and more convenient is therefore desirable.
SUMMARY OF THE INVENTION
The invention overcoming these and other problems in the art relates to a system and method for automated emergency breakthrough into an existing telephone call, by which designated parties can enter a predetermined pass code to gain access to a busy called party, all without operator intervention. Called parties subscribing to the service can share their designated passcode with parties they wish to have automated access to this extended functionality, which is faster, more convenient and more controlled than operator-assisted versions.
REFERENCES:
patent: 5757899 (1926-05-01), Boulware et al.
Bansal Pradeep K.
Begeja Lee
Farah Jeffrey Joseph
Kapadia Rajesh
Renger Bernard S L
AT&T Corp
Hong Harry S.
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