re need to find out number to a phone line alee ecs umass edu writes greetings situation i have a phone jack mounted on a wall i don t know the number of the line and i don t want to call up the operator to place a trace on it question is there a certain device out there that i can use to find out the number to the line thanks for any response al dial and it sound tell you the number skipper traider ersys edmonton ab ca mark bevan traiders of the lost arc edmonton alberta canada
