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Recorded announcements
The ds1-id and ds1-sa types provide a forward disconnect via transitions of the "A"
signaling bit to the device, which indicates when playback should be stopped. Callers
listening to announcements do not hear clicks when the device disconnects (goes on-
hook).
ds1-fd
The ds1-fd announcement type provides an EIA/TIA foreign-exchange (FX) type DS1
interface. The forward disconnect signal is a toggle of the "A" bit from 0 to 1 and then back
to 0 after 600 msecs. This type is used for Conversant Line Side T1 ports when they are
used as an analog-like announcement device and is the recommended method for
interfacing.
ds1-sa
The ds1-sa announcement type provides an EIA/TIA special-access type DS1 interface.
The forward disconnect signal is a toggle of the "A" bit from 1 to 0 and then back to 1 after
600 msecs.
ds1-ops
The ds1-ops announcement type provides an EIA/TIA off-premises-station type DS1
interface that is used when the device does not support forward disconnect.
Auxiliary trunk types
The Auxiliary Trunk announcement type supports an external announcement machine
connected via a 4-wire auxiliary trunk interface, such as a 15A announcement system. The
switch indicates to the device to start or stop the playback on the S lead; the device
indicates that the playback is active on the S1 lead.
aux-trunk
Use the aux-trunk (auxiliary trunk) announcement type with a 4-wire interface external
device when the playback is to be stopped and started by way of the S1 lead and S1 is
used by the device to indicate playback started.
aux-trk-m
Use the aux-trk-m (auxiliary trunk music) with a 4-wire interface device for continuously
playing music or audio sources that do not indicate that playback is active on the S1 lead.
This announcement type is used when the Q field is set to b to provide barge-in repeating
or continuous-play announcements
372 Communication Manager Guide to ACD Call Centers
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