continuous redial Also known as repeat dial. A CLASS programmable service feature of the public switched telephone network (PSTN). Continuous redial enables the caller encountering a busy signal or no answer to request that the network continuously redial the telephone number for a period of time or until the call is successfully completed. See also CLASS and PSTN. 74570c03.qxd 9/11/07 12:19 PM Page 112 |