When there is a terminating pool on Pick6, Sixpack or Sports Pools, there must be a winner, even if all the winning selections have not been chosen. The TAB then does a "count back".
(Equipment) The equipment (multiplexer, channelizer, etc.) required to provide a connection point for one circuit. (Call 1) The destination of a switched call connection. (Call 2) The process of ending a switched call connection and the recording of the associated call details.