NEC Univerge DT310 User Manual page 56

Line Keys/Programmable Function Keys
The following functions can be assigned to Line Keys if
allowed by Class of Service.
To Program a Line key as a Programmable Function
Key:
1.
Press the Speaker key.
2. Dial Service Code 851.
3.
Press the Line Key to be programmed.
4. Dial the code for the desired feature plus additional
data if required.
5.
Press Speaker to hang up.
Service Code 00 will erase the function from
Note 1:
the key.
In some cases, the Hold key needs to be
Note 2:
pressed before pressing the Speaker key.
Function
Function
Number
00 Not Defined
01 DSS / One-Touch
Microphone Key
02
(ON/OFF)
03 DND Key
04 BGM (ON/OFF)
05 Headset
06 Transfer Key
07 Conference Key
Incoming Call
08
Log
Day/Night Mode
09
Switch
Call Forward –
10
Immediate
Call Forward-
11
Busy
Call Forward –
12
No Answer
Call Forward –
13
Busy/No Answer
Call Forward –
14
Both ring
15 Follow Me
16 --Not Used--
17 --Not Used--
48
Additional Data
Extension number or any
numbers (up to 24 digits).
Press HOLD to write.
Mode Number (1-8)