1.2 Making CallsUser Manual 251.2.2 Easy DiallingThere are several convenient methods of storing and dialling frequently used phone numbers.– Using a One-touch Button (One-touch Dialling)– Using Numbers Stored at Your Extension (Personal Speed Dialling)– Using Numbers Stored in the PBX (System Speed Dialling)– Dialling a Preset Number by Going Off-hook (Hot Line)– Using a Preprogrammed Number (Quick Dialling)Using a One-touch Button (One-touch Dialling)You can dial a phone number (max. 24 digits) previously stored to a flexiblebutton with a one-touch operation.• A telephone number longer than 24 digits can be stored by dividing it among 2 or moreOne-touch Dialling buttons.• You can confirm the stored number of a One-touch Dialling button by pressing it while on-hook.• You can press a CO button to select a desired outside (CO) line before pressing the One-touch Dialling button.Customising Your Phone• 3.1.3 Customising the ButtonsCreate or edit a One-touch Dialling button, store the desired phone number, or featurenumber.No SLTPress One-touchDialling.Off-hook.PT(One-touchDialling)