4-62 System Programming4.2 System ProgrammingDial Mode401Description Each outside (CO) line can be programmed for DTMF, pulse or callblocking. This program assigns the selection to each line.DTMF: The dialing signals from an extension, either tone or pulse, areconverted to tone signals and transmitted to an outside (CO) line.Pulse: The dialing signals from an extension, either tone or pulse, areconverted to pulse signals and transmitted to an outside (CO) line.Call Blocking: If the Central Office can receive both DTMF and pulse signals butthe user is contracted for pulse, select this mode. When dialing witha touch tone telephone, only the pulse signals are sent to an outside(CO) line.Selection • Outside (CO) line number: 1 – 6, ( = all outside (CO) lines)• DTMF Mode / Pulse Mode / C.BLK Mode (Call Blocking)Default All outside (CO) lines — DTMF ModeProgramming 1. Enter 401.Display: CO Dial Mode2. Press NEXT.Display: CO NO? →3. Enter an outside (CO) line number.Pressing NEXT also can enter outside (CO) line number 1.Display example: CO 1:DTMF Mode4. Keep pressing SELECT until the desired selection isdisplayed.5. Press STORE.6. To program another outside (CO) line, press NEXT orPREV, or SELECT and enter the desired outside (CO) linenumber.7. Repeat steps 4 through 6.8. Press END.Conditions • To assign all outside (CO) lines to the same selection, press the keyin step 3. In this case, the display will show: CO :Mixed.• If pulse or call blocking is assigned, set the line pulse speed in program[402] “Pulse Speed Selection”.Feature Reference Section 3, FeaturesDial Type Selection
