When you connect a Nortel Meridian M3903 phone to a 3300 CITELlink Gateway and program it as a CITELlink Type1 device, the phone supports the following keys:

|
Button Label |
Function |
|
1 |
Cancel |
|
2 |
Hold |
|
3 |
Quit |
|
4 |
Handsfree |
|
5 |
Mute |
|
6 |
Headset |
|
7 |
Program |
|
8 |
Message |
|
9 |
Unused |
|
10 |
Directory |
|
11 |
Previous |
|
12 |
Transfer/Conference |
|
13 |
Shift |
|
14 |
Unused |
|
15 |
Copy |
|
16 |
Next |
|
17 |
Unused |
|
18 |
Prime Line |
|
Shift + 18 |
Down Arrow |
|
19 |
Feature Key 2 |
|
Shift + 19 |
Superkey |
|
20 |
Message Indicator Light |