H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 4/06 (2009.01) H04W 4/12 (2009.01)
Patent
CA 2697981
A method, system and mobile communication device for implementing a serverless presence system are provided. In accordance with one embodiment, there is provided a method of sharing presence information between a group of mobile communication devices configured to communicate over a wireless network, the mobile communication devices defining the group members of the group, the method comprising: sending a data packet from a sending group member to at least one of the other group members; determining a presence status in accordance with whether a delivery acknowledgement is received by the sending group member from each of the other group members to which the data packet was sent within a predetermined duration from the sending of the data packet; storing the determined presence status in memory; and sending a presence update comprising the determined presence status of at least some of the group members to all of the group members.
Brown Michael S.
Little Herbert A.
Research In Motion Limited
Ridout & Maybee Llp
LandOfFree
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