A method of communicating presence information is provided. The method includes receiving (210) at a controller node a location identification indication from a mobile device. The location identification is based on a location identifier received at the mobile device from a broadcast node. A conference status of the mobile device is determined (220) at the controller node based on the location identification indication and a device identifier of the mobile device. The mobile device is instructed to update (230) a presence indication when the mobile device meets a conference status criteria.