{HEAD ~ An alerting circuit} generates an alert signal to be transmitted over the telephone line to the telephone number dialed by {TAIL ~ the autodialing circuit}, so that the alert signal may alert a party answering the remote telephone to the fact that the party is responding to a doorbell rather than a normal telephone call 
{ HEAD ~ An alerting circuit } generates an alert signal to be transmitted over the telephone line to the telephone number dialed by { TAIL ~ the autodialing circuit } , so that the alert signal may alert a party answering the remote telephone to the fact that the party is responding to a doorbell rather than a normal telephone call
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