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OfficeServ 7100 Call Server Programming Guide
Samsung Business Communications 2-113
[414] MPD/PRS SIGNAL
Used on a per-trunk basis to define if a Trunk line is to be either a Metering Pulse Detec-
tion(MPD) or a Polarity Reversal Signal(PRS) trunk.
An MPD Trunk will detect a C.O-provided meter pulse. A Polarity Reversal trunk will de-
tect the line reversal signal which may be provided by the Trunk Line when the other party
answers the outgoing call or the outside party clears the call.
Type Description
PRS 1 When first PRS is detected, call duration timer is started. When second PRS is de-
tected, call duration timer is stopped. The call is not released.
PRS 2 When first PRS is detected, call duration timer is started. When second PRS is de-
tected, call duration timer is stopped and the call is released.
PRS 3 The call duration timer starts based on the timer. When first PRS is detected, call dura-
tion timer is stopped and call is released.
MPD Metering Pulse Detection.
CONDITIONS
y If the trunk is designated as PRS, the call duration timer will be started and the results
printed on the SMDR record.
y PRS is also essential for dropping a trunk-to- trunk conversation which is unsupervised
by an internal party.
DEFAULT DATA
NONE(NORMAL)
ACTION DISPLAY
1) Press Transfer button and enter 414.
Display shows:
[701] TRK PRS
NONE
2) Dial desired trunk number.(e.g., 705)
OR
[705] TRK PRS
NONE
Press Volume button to select trunk and use
Right Soft button to move cursor.