3.1.3 Customising the ButtonsYou can customise the flexible buttons on PTs, Add-on Key Modules, and PSs. They can then be used to makeor receive outside calls or as feature buttons.• To enter the programming mode when using a PS, refer to "Operating Instructions" for PS.• The buttons in the table below can only be set on certain flexible buttons, as follows:– Flexible buttons on PTs/Add-on Key Modules/PSs: all buttons can be set.– Flexible buttons on DSS Consoles: all buttons except CTI and Primary Directory Number(PDN) buttons can be set.Press PROGRAMor PAUSE.Press PROGRAMor PAUSE.Press desiredflexible button.To exitTo programmeTo enter the programming modeFollowprogramming input.To continueprogramminginputORPROGRAMPAUSEORPROGRAMPAUSEPress ENTERor STORE.ORAUTO DIALSTOREButton Programming InputLoop-CO (L-CO)Group-CO (G-CO)# + Outside line group no. (2 digits)Single-CO (S-CO)0 + Outside line no. (3 digits)Direct Station Selection (DSS)1 + Extension no.One-touch Dialling*12 + Desired no. (max. 32 digits)Incoming Call Distribution Group(ICD Group)30+ Incoming call distribution group extension no. (+#+ delayed ringing time [0–7])*2Message40Message for Another Extension40 + Extension no./Incoming call distribution groupextension no.Call Forwarding (FWD)/Do NotDisturb (DND)—Both calls41FWD/DND—Outside calls42FWD/DND—Intercom calls43Group FWD—Both calls44 + Incoming call distribution group extension no.Group FWD—Outside calls45 + Incoming call distribution group extension no.198 User Manual3.1.3 Customising the Buttons