4.2 Feature Number TableOperating Manual 1514.2 Feature Number Table4.2.1 Feature Number TableNumbers listed below are the default settings. There are flexible feature numbers and fixed feature numbers.If you change the flexible feature numbers, fill in your assigned numbers (new) in the list for future reference.Feature (While dial tone is heard) Default(New) Additional digits1.2.1 Making CallsOperator Call 0( )Automatic Line Access 9( )outside phone no.CO Line Group Access 8( )CO line group no. (2 digits) + outside phone no.1.3.1 Absent Message 750( )– To set 1–9 (+ parameter) + #– To cancel 01.3.2 Account Code Entry 49( )account code + # + outside phone no.1.3.4 Automatic Callback Busy (Camp-on)Automatic Callback Busy Cancel 46( )1.3.5 BGM (Background Music) 751( )– To select 1– To cancel 01.3.6 Call HoldCall Hold/Call Hold Retrieve 50( )Call Hold Retrieve– Specified with a held line number 53( )CO line no. which is held (3 digits)– Specified with a holding extension number 51( )extension no. which has a held call1.3.8 Call Park 52( )– To set parking zone no. (2 digits)/– To retrieve stored parking zone no. (2 digits)