MULTI-MODAL ADDRESS BOOK

A method is provided for synchronizing disparate customized address books which each include contact information including an email address for a customer. The method includes storing identification information for each communications partner. Each communications partner is associated with a different disparate customized address book. The identification information is used to update the disparate customized address books when the contact information of the customer is changed to changed contact information. The method also includes determining when the contact information of the customer changes to changed contact information. The method further includes updating each of the disparate customized address books to include the changed contact information when the contact information of the customer is changed to the changed contact information.