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DCS MMC PROGRAMS
COMBINED PROGRAMMING MANUAL NOVEMBER 2001
MMC 414 (Page 1 of 1)
MMC: 414 MPD/PRS SIGNAL
DCS
33
CI
33
CII
33
816
33
408i
77
408
33
Used on a per-trunk basis to define if a C.O. line is to be either a Metering Pulse (MPD) or a Po-
larity Reversal Signal (PRS) trunk. (Note: PRS is not available in the UK.)
A Meter Pulse Trunk will detect a C.O.-provided meter pulse. A Polarity Reversal trunk will detect
the line reversal signal which may be provided by the C.O. when the other party answers the out-
going call or the outside party clears the call. If the trunk is designated as PRS detection, the call
duration timer will be started and the results printed on the SMDR record. PRS detection is also
essential for dropping a trunk-to-trunk conversation which is unsupervised by an internal party.
ACTION DISPLAY
1.
Open programming and select 414
Display shows
[7
01] TRK PRS
NONE
2.
Enter desired trunk number (e.g. 705)
OR
Press UP or DOWN key to select trunk and use
LEFT or RIGHT soft key to move cursor
[705] TRK PRS
NONE
3. Press UP or DOWN key to scroll through options
and use LEFT or RIGHT soft key to return to step 2
[705] TRK PRS
MPD
4. Press TRSF to store and exit
OR
Press SPEAKER to store and advance to next MMC
Default Data: NONE
Related Items: MMC 508 Call Cost