Patent ID: 7818005
Filing Date: 2010-10-19
Classification: H04W

Abstract:
1. A telecommunications system, comprising: a wireless packet network; a cellular telephone network; at least one computing device including a wireless network interface card for communicating over the wireless packet network; at least one cellular telephone device, the cellular telephone device having a cellular telephone mode for communicating over the cellular telephone network and a packet network mode for communicating over the packet network; a presence server on said wireless packet network; wherein the cellular telephone device is configured to function in packet network mode as a wireless access point for said at least one computing device by interfacing the wireless network interface card to the wireless packet network via the cellular network, the cellular telephone device functioning as said wireless access point when said wireless packet network mode is activated and said wireless packet network is unavailable; wherein a presence status of a user is set at said presence server based on whether the at least one cellular telephone device has activated functioning as said wireless access point.