Meridian Nortel 1 Option 11C Technical Reference Manual page 311

Table 94
M3900 features (Continued)
M3901
entry level
no
fixed keys for
call processing
no
Supervisor
Observe Key
(with LED)
no
fixed
application
keys
no
Display
no
Accessory
Ports
no
Accessories
through MPA jack
Headset
M3902
basic
Hold, Good-
bye,
Smart Mute
(with LED),
Handsfree
(with LED)
Up, Down,
Left, Right
(2 x 24):
1 Text Lines,
1 Label Line
1
ATA, MCA,
External
Alerter &
Recorder
Interface
Note: All sets are desk or wall mountable, have message waiting LED
with visual ringing, and have volume control.
The M3900 Series Meridian Digital Telephones support features through a
variety of feature keys:
M3900 telephone series
M3903
enhanced
Hold, Good-bye,
Smart Mute (with LED), Head-
set (with LED),
Handsfree (with LED)
Up, Down, Left, Right, Quit, and Copy
(3 x 24):
1 Info Line,
1 Text Lines,
1 Label Line
2
ATA, MCA,
External
Alerter &
Recorder
Interface
Direct Connect
Option 11C and 11C Mini
Page 311 of 544
M3904 M3905
professional call center
Hold, Good-
bye,
Smart Mute
(with LED),
Headset (with
LED)
yes
(5 x 24): (4 x 24):
1 Info Line, 1 Info Line,
3 Text Lines, 2 Text Lines,
1 Label Line 1 Label Line
ATA, MCA, External Alerter &
Recorder Interface,
Key-based Add-on
Technical Reference Guide