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Program 15 – Ground/Loop/Tie/DID Line Options
3-46 Strata DK Programming 5/99
Two-CO line DISA calls always release when AR/CPC is sent. DISA release via AR/CPC is not
related to this program. CO line calls disconnected by the AR/CPC signal will be represented on
the Station Message Detail Recording (SMDR) report by a “
*
” next to the CO line number. Code 3
does not apply to ground start lines, which automatically disconnect when the external party hangs
up. See Important! note in earlier paragraph on Code 0.
DK424 only: If loop start lines are programmed to detect the AR/CPC-Hold signal, they do not
remain on the attendant console loop keys when the attendant console sets up trunk-to-trunk
connection. If programmed to ignore AR/CPC-Hold, they remain on the attendant console Hold
loop keys.
Important! Enable AR/CPC-Hold detect on loop start lines only after testing that the CO sends
the AR/CPC-Hold signal.
Code 4: Automatic Release (AR) Time
AR/CPC signaling timing is different depending on the Central Office equipment. An assignment
choice exists between Crossbar or ESS Central Offices.
For more information on AR/CPC, see the preceding Code 0 and Code 3 sections.
Code 5: Tandem Line Connection
Once a Two-line Conference call is made by an electronic, digital or (in R3.2) standard telephone
users or voice mail ports, the user or voice mail device may drop out of the conference and leave
the two lines connected. The choice exists for each line that may have this capability. This option
must be enabled to allow CO lines (ground/loop/Tie/DID) to be used for outgoing DISA, Call
Forward External, and Tie/DID/DNIS External Network routing calls.
With Release 3.2, a station which set up a tandem call and then dropped out can dial the pickup
code (
) to retrieve the tandem call. If more than one tandem connection is set up by a
station,
picks up the call with the lowest CO line as a priority.
Prior to Release 3.2, standard telephones could set up tandem calls, but they could not drop out. If
they tried to drop out, the call would ring back to the standard phone.
Code 7: Forced Account Code (Verified or Non-verified)
If the Forced Account Code feature is used, (see Program 30) a station user is required to enter an
Account Code before a CO line call can be completed. A choice exists for each line.
Code 8: Operation After CO Line Flash
If a standard telephone user is on an existing CO line call and flashes the hookswitch on their
telephone, a Dual-tone Multi-frequency (DTMF) receiver channel may or may not be connected,
depending on this assignment. If the CO line is a rotary dial only type, the QRCU2, K4RCU3,
K5RCU, K5RCU2, or RRCS must be seized after flash when dialing from DTMF standard
telephones. The QRCU2, K5RCU, K5RCU2, K4RCU3 or RRCS will decode the dialed tones and
send dial pulses to the line.