1.4 DFeature Manual 531.4 D1.4.1 Data Line SecurityDescriptionOnce Data Line Security is set on an extension, communication between the extension and the other partyis protected from signals such as Call Waiting, Hold Recall and Executive Busy Override. Extensions whichhave devices connected to them such as modems or fax machines may set this feature to maintain securedata transmission, by blocking tones or other interruptions during communication.Programming ReferencesPC Programming Manual2.8.8 [2-6-1] Numbering Plan—Main—Features—Data Line Security Set / Cancel2.10.1 [4-1-1] Wired Extension—Extension Settings—Option 2—Data ModePT Programming ManualNoneOperating Manual References1.3.17 Data Line Security1.4.2 Dial Mode SelectionDescriptionThe dialing mode (rotary or tone) can be selected for each CO line through system programming regardlessof the originating extension (under contract with the telephone company).Conditions• Pulse to Tone ConversionIt is possible for an extension user to temporarily switch from Pulse mode to DTMF mode in order toaccess special services such as computer-accessed long distance calling or voice mail services. Toswitch to DTMF mode, wait for a preprogrammed time period (Default: 5 seconds) after the CO line isconnected, or press . This feature works only on CO lines set to Pulse mode. DTMF mode cannot bechanged to Pulse mode.• It is possible to select a pulse rate for the CO line port which has been set to Pulse mode. There aretwo pulse rates: Low (10 pps) and High (20 pps).Mode DescriptionDTMF (Dual Tone Multi-Frequency)Numbers dialed by an extension user are transmitted to the CO lineusing analog tones.Pulse Dial (Rotary) Numbers dialed by an extension user are transmitted to the CO lineusing analog pulses.
