2.3 System Data Control
428 Feature Guide
[Flexible Numbering Table (available while busy, DND, or ringback tone is heard)]
3. Fixed Numbering (available while dialling or talking)
The features which are available while dialling or talking have fixed numbers as shown in the following
table:
[Fixed Numbering Table (available while dialling or talking)]
Conditions
[General]
• All features have a default feature number.
• The following are examples of feature number conflicts: 1 and 11, 0 and 00, 2 and 21, 10 and 101, 32
and 321, etc.
• Feature number + Additional number (Parameter)
Some flexible feature numbers require additional digits to make the feature active. For example, to set
Call Waiting, the feature number for "Call Waiting" must be followed by "1" and to cancel it, the same
feature number should be followed by "0".
• If a feature number includes " " or "#", rotary SLT users cannot use it.
• ISDN extension users cannot use the following features:
– OGM playback/record
– Call Hold/Call Hold Retrieve (held at its own extension)
– ISDN Hold
–MCID
– Walking Extension
– Call Waiting
– Hot Line
– Timed Reminder
– Executive Busy Override
Feature Default
Call Waiting/DND Override 1 or 2*
Executive Busy Override 3
Message Waiting set 4
Call Monitor 5
Automatic Callback Busy/CCBS 6
Alternate Calling—Ring/Voice
*: To use Call Waiting/DND Override, both "1" and "2" are available by default.
Feature Fixed Numbering
Pulse to Tone Conversion
Conference 3
Door Open 5
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