DP AND DTMF COMPATIBILITYThe system administrator can program each trunk for DualTone Multifrequency (DTMF) or Dial Pulse (DP) dialing.This allows the system to connect to any combination ofDTMF or DP trunks.DP/DTMF Compatibility also provides Pulse to ToneConversion. Pulse to Tone Conversion lets a keyset userchange their extension’s dialing mode while placing a call.For systems in a DP area, this permits users to access dial-up OCC’s (e.g., MCI or GTE Sprint) from a DP area.Conditions: NoneDefault Configuration: Trunks are DTMF.ProgrammingRequired ProgrammingProgram 1 - Line Options (1) - [B.] Dial ModeAssignmentAssign either DP or DTMF to a line [0=DP, 1=DTMF].Program 17 - System Options (3) - [A.] Dial Pulse SenderSpeed / [B.] Make/Break Ratio / [C.] DTMF DurationSet timers for Dial Pulse [0=10 PPS, 1=20 PPS], Make/BreakRation [0=33%, 1=39%], and DTMF Minimum Pause Time[0=high speed (80ms on-80ms off), 1=mid speed (100ms on-100ms off), 2=low speed (150ms on-150ms off)].Other ProgrammingNoneRelated FeaturesSpeed DialIf a Speed Dial number uses a DP trunk and contains apause, pulse to tone conversion can be automatic. Thedigits before the pause dial out DP. The digits after thepause dial out DTMF.Feature OperationTo change from Pulse to Tone Mode:Dial phone number (pulse mode) + # + Dial phone number(tone mode).824+ Available308+ Available56
