3-92
DPT Features
P
3.2
DPT Features
Paralleled Telephone Connection
A digital proprietary telephone (DPT) can be connected in parallel with a
standard single line telephone (SLT). When a parallel connection is made,
either telephone can be used.
Setting
To enable SLT ringing;
1. Lift the handset or press the SP-PHONE/MONITOR button.
2. Dial the feature number (69) and 1.
• You hear confirmation tone.
• The display shows:
Parallel On
3. Hang up or press the SP-PHONE/MONITOR button.
Cancelling
To disable SLT ringing;
1. Lift the handset or press the SP-PHONE/MONITOR button.
2. Dial the feature number (69) and 0.
• You hear confirmation tone.
• The display shows:
Parallel Off
3. Hang up or press the SP-PHONE/MONITOR button.
Conditions
• Default is "Parallel Off."
• The PT can be used to perform normal operations whether or not the SLT is enabled.
• When receiving a call:
— If SLT ringing is enabled, then both the PT and the SLT ring except when the PT is in
"Handsfree 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.
1
2
6
9
1
3
1
2
6
9
0
3
TD816 TD1232
✔
✔
DPT (72**)
20
30
35
50
✔
✔
✔
✔
With
Compliments
Absolute
Phone
&
Data