A method and system are provided for caller control of telephone calls placed to telephone lines provisioned with a call waiting feature. The \u201cm\u201d and \u201cn\u201d are different integers more than or equal to 2. The emergency accumulator comprises a resilient member for accumulating the fluid in the emergency accumulator under resilient pressure or a weight member comprising a weight member upon the fluid in the emergency accumulator. The method further comprises defining a first selection region based on the first position and obtaining a second position within the digital image, the second position being specified by the pointer.