Patent ID: 6549620
Filing Date: 2003-04-15
Classification: H04M,H04Q

Abstract:
A method of auditing a first local number portability database associated with a first signal transfer point, comprising:sending, by a first audit manager, a request to the first signal transfer point, the request specifying at least one ported telephone number; receiving, by a first audit agent, the request at the first signal transfer point and looking up the specified at least one ported telephone number in the first local number portability database and obtaining at least one corresponding LNP data entry; sending, by the first audit agent, the at least one corresponding LNP data entry to the first audit manager; comparing the received at least one corresponding LNP data entry to data local to the first audit manager; sending, by the first audit manager, a request to a second signal transfer point, the request specifying the at least one ported telephone number; receiving, by a second audit agent, the request at the second signal transfer point and looking up the specified at least one ported telephone number in a second local number portability database associated with the second signal transfer point and obtaining at least one corresponding LNP data entry; sending, by the second audit agent, the at least one corresponding LNP data entry to the first audit manager; comparing, by the first audit manager, the received at least one corresponding LNP data entry from the first and second audit agents; and reporting the result of the comparison.