Patent ID: 7885937
Filing Date: 2011-02-08
Classification: G06F

Abstract:
1. A method comprising: mapping an online contact identifier to a first mapping value that corresponds to an entry in a first hierarchical extensible contact list at a first device, wherein the online contact identifier is associated with a plurality of contact values that at least comprise an electronic mail address and a phone number; mapping a first of the plurality of contact values to a second mapping value that corresponds to a first field of the first hierarchical extensible contact list, wherein the second mapping value is more compact than an identifier of the first field; mapping a second of the plurality of contact values to a third mapping value and a fourth mapping value, wherein the third mapping value corresponds to a second field of the first hierarchical extensible contact list and the fourth mapping value corresponds to a sub-field of the second field of the first hierarchical extensible contact list; and generating a contact update message and transmitting the contact update message to a second device for updating a second hierarchical extensible contact list at the second device,