berger@clio.las.uiuc.EDU (03/01/88)
Our Northern Telecom switch at Univ. of Il. has such a feature, but our local AT&T switch doesn't. Mike Berger Department of Statistics Science, Technology, and Society University of Illinois berger@clio.las.uiuc.edu {ihnp4 | convex | pur-ee}!uiucuxc!clio!berger