Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
204 words
A method of identifying lost callers for call attempts directed to a telecommunications service center having a customer premises equipment, wherein said method comprises the steps of: generating billing records for a plurality of calls received by the customer premises equipment, wherein at least a portion of said billing records include fields selected from a group of such fields comprised of originating telephone number, date, time and disposition of a respective received call; merging said billing records with records of unsuccessful call attempts directed at said telecommunications service center and initiated within a predetermined time period, wherein at least a portion of said unsuccessful call attempt records include fields selected from a group of such fields comprised of originating telephone number, date, time and disposition of a respective attempted call; sorting the merged records in ascending order by originating telephone number, time and date to derive a sequence of merged and sorted records for each originating telephone number; and classifying a particular sequence of merged and sorted records as a lost caller if a last record in said sequence of merged and sorted records indicates one of the following call dispositions: a) busy line condition, b) ring-no-answer condition, and c) abandoned in queue condition.
Claim 2
Independent Claim
204 words
A method of identifying lost callers for call attempts directed to a telecommunications service center having a customer premises equipment, wherein said method comprises the steps of: generating billing records for a plurality of calls received by the customer premises equipment, wherein at least a portion of said billing records include fields selected from a group of such fields comprised of originating telephone number, date, time and disposition of a respective received call; merging said billing records with records of unsuccessful call attempts directed at said telecommunications service center and initiated within a predetermined time period, wherein at least a portion of said unsuccessful call attempt records include fields selected from a group of such fields comprised of originating telephone number, date, time and disposition of a respective attempted call; sorting the merged records in ascending order by originating telephone number, time and date to derive a sequence of merged and sorted records for each originating telephone number; and classifying a particular sequence of merged and sorted records as a lost caller if a last record in said sequence of merged and sorted records indicates one of the following call dispositions: a) busy line condition, b) ring-no-answer condition, and c) abandoned in queue condition.
Claim 3
Independent Claim
203 words
A system of identifying lost callers for call attempts directed to a telecommunications service center having a customer premises equipment, wherein said system comprises: means for generating billing records for a plurality of calls received by the customer premises equipment, each one of said billing records including fields selected from a group of such fields comprised of originating telephone number, date, time and disposition of a respective received call; means for merging said billing records with records of unsuccessful call attempts directed at said telecommunications service center and initiated within a predetermined time period, each one of said unsuccessful call attempts records including fields selected from a group of such fields comprised of originating telephone number, date, time and disposition of a respective attempted call; means for sorting the merged records in ascending order by originating telephone number, time and date to derive a sequence of merged and sorted records for each originating telephone number; and means for classifying a particular sequence of merged and sorted records as a lost caller if a last record in said sequence of merged and sorted records indicates one of the following call dispositions: a) busy line condition, b) ring-no-answer condition, and c) abandoned in queue condition.
Claim 4
Independent Claim
203 words
A system of identifying lost callers for call attempts directed to a telecommunications service center having a customer premises equipment, wherein said system comprises: means for generating billing records for a plurality of calls received by the customer premises equipment, each one of said billing records including fields selected from a group of such fields comprised of originating telephone number, date, time and disposition of a respective received call; means for merging said billing records with records of unsuccessful call attempts directed at said telecommunications service center and initiated within a predetermined time period, each one of said unsuccessful call attempts records including fields selected from a group of such fields comprised of originating telephone number, date, time and disposition of a respective attempted call; means for sorting the merged records in ascending order by originating telephone number, time and date to derive a sequence of merged and sorted records for each originating telephone number; and means for classifying a particular sequence of merged and sorted records as a lost caller if a last record in said sequence of merged and sorted records indicates one of the following call dispositions: a) busy line condition, b) ring-no-answer condition, and c) abandoned in queue condition.