# Phone Model M7310N

When you connect a Nortel Norstar M7310N phone to a 3300 CITELlink Gateway and program it as a CITELlink Type2 device, the phone supports the following keys:

Button Label | Function
1 | Cancel
2 | SuperKey
3 | Hold
4 | Microphone/Speaker
5 | Prime Line
6 | Line Select Key 2
7 | Line Select Key 3
8 | Line Select Key 4
9 | Line Select Key 5
10 | Line Select Key 6
11 | Line Select Key 7
12 | Transfer/Conference
13 | Message
14 | Line Select Key 8 (no indicator)
15 | Line Select Key 9 (no indicator)
16 | Line Select Key 10 (no indicator)
17 | Line Select Key 11 (no indicator)
18 | Line Select Key 12 (no indicator)
19 | Line Select Key 13 (no indicator)
20 | Line Select Key 14 (no indicator)
21 | Unused
22 | Unused
23 | Down Arrow
24 | Up Arrow
25 | Redial
26 | Unused
27 | LDC Softkeys