1. A computer based method for proximity-based call management, comprising: sensing on a home base station, a first proximity event between a mobile device associated with a cellular network and the home base station associated with a land line telephone network; when the first proximity event indicates that the mobile device is proximate the home base station, if an ongoing call is in progress on the mobile device, establishing a three way call between the ongoing call with a third party on the mobile device on the cellular network and the home base station and if an ongoing call is not in progress, establishing call forwarding from the mobile device to the home base station; when the first proximity event indicates that the mobile device is not proximate the home base station, establishing call forwarding from the mobile device to the home base station; and when the first proximity event indicates that the mobile device is not proximate the home base station and a second proximity event indicates that the mobile device is proximate a business base station, establishing call forwarding from the home base station to the mobile device and establishing call forwarding from the mobile device to the business base station.