
428 Series
User’s Manual
Contents
3.7 Call Pick-Up ............................................................................................. 3-16
3.7.1 General Pick-up.................................................................................................................3-16
3.7.2 Specific Pick-up. ................................................................................................................3-16
3.8 Call Transfer............................................................................................. 3-16
3.8.1 Ring Transfer. ....................................................................................................................3-16
3.8.2 Voice Transfer....................................................................................................................3-16
3.8.3 Busy Transfer ....................................................................................................................3-17
3.9 Do Not Disturb ......................................................................................... 3-17
3.9.1 Enable DND.......................................................................................................................3-17
3.9.2 Disable DND......................................................................................................................3-17
3.10 Digital Tapeless Answering Machine (DTAM)........................................ 3-18
3.10.1 Recording System OGM Message..................................................................................3-18
3.10.2 Listen DTAM voice segment............................................................................................3-19
3.10.3 Recording Personal OGM Messages..............................................................................3-20
3.10.4 DTAM General Operation................................................................................................3-20
3.10.5 Listen Your Message from Outside Area.........................................................................3-23
3.11 Door Phone and Door Lock .................................................................... 3-23
3.11.1 Call Door-phone ..............................................................................................................3-23
3.11.2 Open Door-lock: Idle .......................................................................................................3-24
3.11.3 Open Door-lock: While talking to Door Phone ................................................................3-24
3.12 External Call............................................................................................. 3-24
3.12.1 Make an External Call .....................................................................................................3-24
3.12.2 Make an VoIP External Call.............................................................................................3-25
3.13 Flashing on Trunk Line ........................................................................... 3-25
3.13.1 Send a flash pulse for SLT and Handset.........................................................................3-25
3.13.2 Send a flash pulse for Handset .......................................................................................3-25
3.14 Hot Line .................................................................................................... 3-26
3.14.1 Enable/Disable Hot Line..................................................................................................3-26
3.14.2 Set Hot Line Number.......................................................................................................3-26
3.15 Idle Station Hunting................................................................................. 3-27
3.15.1 Hot Line Activation...........................................................................................................3-27
3.15.2 Idle Station Hunting .........................................................................................................3-27
3.16 Intercom ................................................................................................... 3-27
3.17 Last Number Redial................................................................................. 3-27
3.18 Line Reservation / Line Queuing............................................................ 3-27
3.18.1 Specific Line Reservation ................................................................................................3-28
3.18.2 Auto Line Reservation. ....................................................................................................3-28
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