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Station Features and Operation (DPT/SLT)
240 User Manual
4.3.66 Paralleled Telephone Connection
A Proprietary Telephone (PT) can be connected in parallel with a single line telephone (SLT).
This feature allows you to enable or disable SLT ringing. When a parallel connection is made,
either telephone can be used.
To enable / disable SLT ringing
Conditions
• The default is "Parallel Off (No ring)".
• The PT can be used to perform normal operations whether or not the SLT is set to ring.
• When receiving a call:
—If SLT ringing is enabled, then both the PT and the SLT will ring except when the PT is
in "Hands-free Answerback" mode or Voice-Calling mode with the "Alternate Calling —
Ring/Voice" feature.
—If SLT ringing is disabled, then the PT rings but the SLT does not. However, the SLT can
answer the call.
• When the SLT is in use, the display and the indicators of the PT will work in the same way
as if the PT is in use.
• In the DPT + SLT combination, if one telephone goes off-hook while the other telephone is
on a call, the call is switched to the former.
• If you go off-hook while your paralleled telephone is in use, the call will switch over to your
telephone, and vice versa.
• The "XDP
*1
" feature is available.
*1
XDP (eXtra Device Port) expands the number of telephones available in the system by allowing an extension port to contain two
telephones. For more details, please consult with your dealer.
PT
Confirmation
tone (optional)
Dial 39.
Hang up or press
SP-PHONE
/MONITOR.
For Ring mode: Dial 1.
For No Ring mode: Dial 0.
No Ring
Ring
3 9
1
0
Lift the handset or press
SP-PHONE/MONITOR.
<PT Display Example>
— (when enabling)
— (when disabling)
Parallel Off
Parallel On