Patent ID: 7079626

Claim:
A method for loop qualification for DSL services, the method comprising: searching a plurality of serving terminals, each serving terminal including at least one cable number and a plurality of cable pairs; locating a particular serving terminal associated with a user requesting the DSL service; determining the cable number and the cable pairs associated with the particular serving terminal; determining a particular cable pair associated with the user from the cable pairs associated with the particular serving terminal; examining a plurality of distribution records, each distribution record associated with one of the cable pairs; locating a particular distribution record, the particular distribution record associated with the particular cable pair; determining if the particular distribution record includes missing data; searching records for the serving terminals in a known class for a complete distribution record associated with the particular cable pair; searching records for a binder group for one or more complete distribution records, the binder group having a size; iteratively repeating the search of the binder group records until locating one or more complete distribution records, the binder group size increasing with each iterative search; determining a value for the missing data for the particular distribution record and the particular cable pair based on the searching of the serving terminals and the binder group; imputing the value into the particular distribution record for the particular cable pair; and indicating that the particular distribution record includes the imputed value.