ATI-D Distinctive Ringing
Intercom calls that ring at equipment connected through an ATI-D have a different cadence than
outside calls. Intercom ring cadence is: 1 sec. on, .5 sec. off, 1 sec. on, 3.5 sec. off. Outside call
ring cadence is: 2 sec. on, 4 sec. off. You can program disable this distinctive ringing feature to
make the intercom ring cadence the same as that for outside calls.
Through Dialing
You can program the station port that interfaces the IST for through-dialing if you wish or you
can disable this feature. The system automatically enables this feature when you connect the
ATI-D to the station port. If the IST is a dual-tone multi-frequency (DTMF) tone dial device,
dialing tones generated by it pass through the ATI-D, the common equipment and onto a tone
dial compatible telephone line. In this case, the station port must have through-dialing enabled.
However, if you use a rotary telephone as an IST device, you must disable through-dialing.
IMI66–107
Digital Telephone System
Installing The DSU 2 – 67
Содержание Air Impact DSU
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