A location model updating apparatus updates a location model based on data uploaded from a mobile terminal. Aspects of the invention include broadcasting over a network a location identifier identifying a location of the network; detecting the location ID by a digital image capture device coupled to the network; and in response to the image capture device capturing a digital image when in communication with the network, associating the location ID with the digital image. The annular ring has a sloped wall which is spaced-apart from and faces the threaded inner annular wall. Then, the outgoing calls initiated from endpoints are logged.