Instruction manual

FEATURES AND SERVICES
Direct Station Selection (DSS)
Description
Direct Station Selection (DSS) allows one-button access to another voice terminal, a paging
zone, or a DGC Group. DSS requires a button assignment on a multiline voice terminal.
There are two types of DSS buttons. Numbers stored on DSS buttons (maximum of four
digits) are programmed at the SAT; numbers stored on Flexible DSS buttons (maximum of
four digits) are programmed at the voice terminal.
The procedure for programming FLEX
DSS buttons is provided in the “Program” feature description.
To use DSS, the user presses DSS or FLEX DSS and goes off-hook. The caller hears
Ringback Tone.
DSS calls to a multiline voice terminal are received on a System Access
button. The DSS status LED is lighted steadily at the calling station.
The DSS status LED is lighted whenever the pointed-to station is off-hook. The user may
press DSS and remain on-hook to receive the busy-to-idle reminder. The user’s voice
terminal will ring once when the other party hangs up; lifting the handset will automatically
place the call.
When Prime Line Preference is assigned to a DSS button, the button must be pressed to
invoke the busy-to-idle reminder, even though the I-Use LED is lighted.
Access to Paging Zones and DGC Groups:
DSS (not FLEX DSS) access is provided to an individual Paging Zone or to all paging zones
or to a DGC group. If the paging zone(s) is administered to be dial restricted, users assigned
DSS buttons with paging access codes can still access the paging equipment. The status
and busy-to-idle reminder indication described above also apply to DGC groups with the
understanding that a DGC group is busy if all members in that group are busy.
Considerations
Direct Station Selection differs from Automatic Intercom in that it provides one-button access
from one voice terminal to another (one-way only), while Automatic Intercom provides similar
access for each voice terminal (two-way) and must be assigned between two multiline voice
terminals. A DSS button may point to a single-line station; an Automatic Intercom button
may not. DSS calls receive coverage, Automatic Intercom calls do not.
Interactions
The following features interact with Direct Station Selection.
Bridging of System Access Buttons:
Calls from DSS or FLEX DSS buttons on the principal
station are not accessible from Bridged Access buttons on the bridging station.
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