1.1 General FeaturesFeature Manual 135SLT may not ring properly, if the ring tone pattern of the SLT is set differently from that used by thetelephone company.Programming Manual References[PT Programming][115] Extension Ring Tone Pattern[142] SLT Ring/Silence Ratio[143] SLT Ring Bell-on Time[423] CO Line Ring Tone Pattern[629] SLT Fixed Bell Pattern[706] Doorphone Ring Tone Pattern[PC Programming]9.1.11 Detail [1-10]—Extension—Ring Tone Pattern9.3.3 Detail [3-3]—Ring Tone Pattern9.7.2 Others [7-2]—Doorphone Ring Tone Pattern—Door 1–49.9.2 SLT Caller ID [9-2]—SLT Ring—Ring / Silence Ratio, SLT Ring—Bell-on Time, Fixed Bell PatternFeature Manual References1.1.90 Outside (CO) Line Ringing Selection2.2.1 Tones/Ring Tones1.1.109 Ringing, DelayedDescriptionEach extension can be programmed for Delayed Ringing ( [411-413] Delayed Ringing—Day/Night/Lunch), which allows extensions to be alerted to calls by flashing buttons only. Received calls can beanswered by pressing the flashing button even if the extension is not ringing.Conditions• This feature does not apply to Direct Inward System Access (DISA) or Direct In Line (DIL) calls. If thedestination is a DISA ring group, the Ringing, Delayed feature will function.Programming Manual References[PT Programming][408-410] Flexible Ringing—Day/Night/LunchDelayed Ringing:Rings after aspecified time delay.Immediately ring simultaneously.Extn.AExtn.BExtn.CExtn.D