MMChapter 6,Feature Codes86 Aastra – 2568-004Feature Action Feature CodeLast Number Redial Or PressTransfer/3-WayConferenceVoice Mail Or PressNumeric Feature CodesThe optional Numeric Feature Code feature allows you to use an all-number code thatomits the * and # signs in place the feature key or the standard feature code. TheNumeric Feature Code option was originally designed for rotary phones.Numeric codes may be two to four digits long. If this option is available on your system,the codes can be obtained through the system administrator.