Telephone caller identification log with internet access

Details Telephone caller identification log with internet access Telephone caller identification log with internet access

1998-08-07

2001-08-28

Nguyen, Duc (Department: 2643)

Telephonic communications

Reception of calling information at substation in wireline...

Blocking caller id transmission

C379S088210, C379S093230, C379S127030

Reexamination Certificate

active

06282275

ABSTRACT:

TECHNICAL FIELD
The invention relates to a system for telecommunication intelligent network functions and more particularly to a system for storing and retrieving caller identification information from previous calls.
DESCRIPTION OF THE PRIOR ART
Some local exchange telecommunication switches presently can aurally inform an inquirer what the caller identification number of the last caller that had such information available. In many areas, this caller identification is accessed by the sequence “*69” or some similar sequence code. Private telephone caller identifications are not retrievable by this system because they are blocked. So in some cases, the number aurally transmitted is not of the last call, but of a prior call. The aural information does not include time of date information, so the result of a “*69” sequence is not always correct, which is a considerable drawback.
Some customer premises equipment (CPE) presently have storage capability for the caller identification of incoming calls, assuming that such caller identification is not blocked as it is in some cases. For example, Lucent Technologies produces a model ISDN 8520T CPE which keeps a log of unanswered incoming, answered incoming and outgoing telephone calls. Each recorded call has a time of day and date record also, so ‘number unavailable’ calls can be distinguished from caller ID available calls. This CPE when used with a switch with such information, such as an ISDN PBX switch, will give each caller's name if it is stored in the switch's database. All this caller ID information appears on a liquid crystal display (LCD). Earlier versions of similar ISDN telephones used video displays instead. Further, the model ISDN 8520T, like many other ISDN telephones, have a data port to which a computer may be connected. In such a connection, the caller ID information may be captured by the computer, displayed, time stamped and stored just as the CPE does.
Some CPE that are used with analog plain old telephone service (POTS) have similar capabilities to the ISDN CPE, even though the information is sent as an analog rather than a digital signal as in an ISDN system. The caller identification information on a POTS line is an analog type of signal with data encoded thereon which is transmitted between ringing pulses on a POTS system. The CPE must have a decoder to capture and decode the information back into a seven or ten digit number which is displayed on a display. Some CPE have this decoder and display integrated into the telephone station. Such CPE may also have a memory record of the last few caller identifications received. This record may also have a time of call/call-attempt, and also each caller's name if available from the local service provider.
Both the ISDN caller ID log and the POTS caller ID log suffer from the same problems, namely that the retrieval of caller ID log data can only be performed at the CPE station. Therefore, any sorting of caller IDs into higher priority groups, for example most users would put calls from family members, job related calls, and calls from friends in a higher priority group, and calls from sales people, calls from telemarketers and calls having caller ID blocked would be put in a lower priority, is only possible at the CPE station location (if at all).
SUMMARY OF THE INVENTION
Briefly stated, in accordance with one aspect of the invention the aforementioned problems are over come and a technical advance achieved by providing a method of retrieving caller identification information about an incoming call from a calling station to a called station. The method includes the steps of receiving the incoming call at a local switch to which a line of the called station is connected, determining from the incoming call caller ID information, storing the caller ID information in a memory of a caller ID unit that is connected to the local switch and also to an internet network, accessing the caller ID unit via the internet network; and retrieving the caller ID information from the caller ID unit via the internet network.
This caller ID information is subsequently displayed, usually, on a display of a browser or some other internet protocol communication device. These displays usually have interactive areas so click to dial to call an entry on the caller ID display can be effected.


REFERENCES:
patent: 5289530 (1994-02-01), Reese
patent: 5724412 (1998-03-01), Srinivasan
patent: 5881023 (1999-03-01), Gu et al.
patent: 5896444 (1999-04-01), Perlman et al.
patent: 6097793 (2000-08-01), Jandel

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