11.1.5.6. Change ATND Internal Access and Answer Codes 
- Assign the station number in the DPLN
AD-WABE:CD=<key-num>,DAR=<ATNDDID or ATND>;
- Assign new codes to the ATND group
CHA-VFGKZ:TYPE=ATNDGR,CD=<key-num>,ATNDGR= <number>;
- Delete old codes in the DPLN (if necessary)
DEL-WABE:TYPE=CD,CD=<key-num>,DAR=<ATNDDID or ATND>;