Also available on all phones except DSLTs are Flexible Function (FF) keys, which have dual-colored
LEDs and can be programmed only in system programming under FF4. And the EM/24 and DSS/72
units offer additional panels of FF-keys that you can add-on to any digital station.
The following table shows some of the options available with the different models.
Station Telephone Models
Description
Digital Single Line Telephone (DSLT)
12-Key Standard Phone
12-Key Small-Display Phone
12-Key Small-Display Phone with Voice
Response
12-Key Large-Display Phone
24-Key Small-Display Phone
24-Key Expansion Module (EM/24)
72-Key DSS/BLF Module (DSS/72)
Model Descriptions
Digital Single Line Telephone (DSLT)
(VB-3011)
Provides single-line service on a digital
telephone. Buttons include hold, on/off,
auto, redial, flash and conference. Large
message-waiting light. Slide controls for
volume adjustment. Does not support
hands-free answerback on intercom.
Requires one digital port. Does not include
user tray.
12-Key Standard Phone
(VB-D411UK)
Black (VB-D411UKB)
Provides 12 flexible feature/line keys (dual
colored LED) and 10 personal speed dial
keys. Supports hands-free answerback on
intercom, offhook voice announce, and
headsets. Requires one digital port. Wall-
mountable. Includes user tray and elevation
supports.
12-Key Small-Display Phone
(VB-D411DSUK)
Black (VB-D411DSUKB)
Provides 12 flexible feature/line keys (dual colored LED) and 10 personal speed dial keys with an
integrated hands-free speakerphone and a 2-line liquid crystal display (LCD). Supports hands-free
answerback on intercom, offhook voice announce, and headsets. Requires one digital port. Wall-
mountable. Includes user tray and elevation supports.
22
No. of
FF-Keys
0
12
12
12
12
24
24
72
S-ICX (International) issued October 2000
HFAB-
Speaker
Display
ICM
phone
✱
✱
✱
✱
✱
✱
✱
✱
✱
The DSLT (VB-3011)
Optional
Black Phone
✱
✱
✱
✱
✱
✱
✱
✱
S-ICX-50-200