Patent ID: 8670441

Claim:
A method, comprising: receiving account data associated with one or more accounts scheduled to be migrated from one or more first VoIP phone systems to a second VoIP phone system via a network; organizing the one or more accounts based on at least one customer service record and at least one system log, wherein the organizing comprises: determining, based on the at least one of the customer service record and the at least one system log, whether a corresponding account is associated with at least one of an abnormal customer device or an abnormal customer device configuration; and identifying as abnormal an account corresponding to at least one of an abnormal customer device or an abnormal customer device configuration; migrating a set of the one or more accounts, excluding at least the abnormal account, into one or more shell accounts provided by the second VoIP phone system; configuring, using a migration system, each customer device associated with the set of the one or more accounts to receive data from the second VoIP phone system; and migrating account settings data and account call history data associated with the set of the one or more accounts from the one or more first VoIP phone systems to the second VoIP phone system.