If you receive a busy signal you can hang up, pick up the receiver again and dial *66. The system will continue to call the last number you dialed for up to 30 minutes. Once that line is free, your phone will ring with a distinctive ring to notify you. You may continue to make and receive phone calls normally while this feature is activated.
Cancel Repeat Dial (*86) Disable repeat dial before the 30 minute time frame is over.