Telephonic communications – Reception of calling information at substation in wireline... – Blocking caller id transmission
Reexamination Certificate
1998-12-16
2001-03-20
Nguyen, Duc (Department: 2643)
Telephonic communications
Reception of calling information at substation in wireline...
Blocking caller id transmission
C379S088110, C379S088210, C379S093230
Reexamination Certificate
active
06205213
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to calling party number display systems and, more particularly, to a calling party number display system in which information is communicated between the origination equipment and destination equipment for parsing of telephone numbers to be displayed to increase the readability of international numbers and calls from different area codes.
2. Description of the Related Art
Presently, calling party number delivery systems, also known as caller-ID systems, typically only provide an unparsed telephone number of the calling party sent via the originating switching equipment and transported through the telecommunications network to the terminating switching equipment for display at the telephone receiver's device. Partitioning information is not sent through the network. Some terminating switching equipment attempts to provide partitioning of the calling party number using a best guess algorithm for partitioning the received calling party number digits. However, these algorithms often fail to provide the correct partitioning for all calls.
Known algorithms that can provide correct partitioning on a high percentage of calls are generally complicated and require the maintenance of an ever-changing database of numbering plan information, especially for international numbers. Thus, it would be desirable to take advantage of the switching equipment providing the calling party number which is best suited for determining the proper partitioning since it “knows” the numbering plan of the originating user.
Partitioning of displayed information for calling party numbers is a feature that may be used in the telecommunications field. To this end, it would be further desirable to apply such partitioning to a public (National or International) or private network telecommunication systems to improve readability of the calling party number displayed at the telephony users device by partitioning the number into logical fields separated by the field separators commonly used at the location of the display. Such partitioning may be especially helpful for use with international numbers which are of a more flexible format and often more difficult to read without the partitioning. Therefore, it would be advantageous to provide calling party number delivery systems in which information between origination equipment and destination equipment is communicated so as to identify a convention of parsing of telephone numbers associated with the calling party telephone network.
SUMMARY OF THE INVENTION
According to one embodiment of the invention, parsing information is communicated between origination equipment and destination equipment. Switching signal information is received from a calling party telephone network, as well as additional information from the origination equipment for use in displaying calling party numbers with a display at the destination equipment which receives the information from the calling party telephone network. The calling party telephone network thus receives switching signals from the origination equipment and the destination network also receives information from the calling party telephone network for use by the destination equipment. A receiver is provided for receiving a plurality of codes or ISDN protocol from the calling party telephone network identifying calling party number information, partitioning information, and delineation information of the calling party number. Parsing of the calling party numbers into fields introduces field separator characters such as spaces, dashes and parentheses inserted between the fields to separate destination codes representing the telephone numbers for subscriber as various fields according to the convention of the calling party telephone network. In addition the delineation information may be displayed. This information indicates the different code types of each partition, such as a country code, a national destination code, a regional destination code, a subscriber number, etc.
Briefly summarized, the present invention relates to systems and methods for communicating information between origination equipment and destination equipment, in which switching signals are received from the origination equipment via a calling party telephone network. Further information is received from the calling party telephone network for use by the destination equipment for displaying calling party numbers and field delineation information corresponding to the origination equipment. A display for use with the destination equipment is coupled to the destination network for receiving the information from the calling party telephone network. A first code from the calling party telephone network identifies calling party number information, and a second code from the calling party telephone network identifies partitioning and delineation information of the first code relating to a convention of parsing of telephone numbers associated with the calling party telephone network.
These and other objects and advantages are realized by partitioning calling party numbers using information communicated to identify a convention of parsing of the telephone numbers associated with the calling party telephone network.
REFERENCES:
patent: 5883942 (1999-03-01), Lim et al.
Kucmerowski Dennis L.
Meiden David A. Vander
Nguyen Duc
Siemens Information and Communication Networks Inc.
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