73832423
Oct 6, 1989
Sep 17, 1991
COMMUNICATIONS SERVICES; NAMELY, VOICE SERVICES WHICH ALLOW CUSTOMERS TO HOLD LONG DISTANCE CONFERENCE CALLS WITHOUT HAVING TO KNOW THE LOCATION OF THE PARTICIPANTS, THROUGH VOICE MESSAGING, TO BE NOTIFIED OF THE DATE, TIME AND PHONE NUMBER OF THE CONFERENCE CALL, AND TO PLACE OPERATOR ASSISTED CALLS
Telecommunications