Flexible Button Programming ModeSpecifies whether the extension user can modify all flexible buttons without limitation, or only the One-touchDialing buttons. When the mode is set to One-touch Dial, there is no need to enter "2" before the numberwhen customizing a One-touch Dialing button.DefaultNo LimitationValue RangeNo Limitation, One-touch DialMaintenance Console Location6.1 [4-1-1] Wired Extension—Extension SettingsProgramming Manual ReferencesNoneFeature Manual ReferencesNoneICM ToneSelects the ring tone for incoming calls arriving at the INTERCOM button or PDN buttons. Note that the ringtone specified here is applied to all PDN buttons on an extension.Default1Value RangeKX-DT300 series (except KX-DT321)/KX-T7600 series/IP-PT (except KX-NT265/KX-NT321): 1–30KX-DT321/KX-NT265/KX-NT321: 1–8 (Even if ring tone 9–30 is selected, ring tone 1 is heard.)Other telephones: 1–8 (Even if ring tone 9–30 is selected, ring tone 2 is heard.)Maintenance Console Location6.1 [4-1-1] Wired Extension—Extension SettingsProgramming Manual ReferencesNoneFeature Manual ReferencesNoneDisplay Lock / SVM LockLocks or unlocks the Incoming Call Log and Simplified Voice Message Log display (i.e., specifies whetherother extension users can see the Incoming Call Log and SVM Log information at the extension).626 PC Programming Manual Document Version 2011-106.1 [4-1-1] Wired Extension—Extension Settings