Nortel Millennium Phone: Keypad
I have decoded the rows and colums of the front panel buttons.
- 1: Column
- 2: Column
- 3: Column
- 4: Column
- 5: Column
- 7: Row
- 8: Column
- 9: Row
- 10: Hook Up
- 11: Row
- 12: Hook Common
- 13: Row
- 14: Hook Down
- 15: Unknown
- 16: Unknown
- 17: Unknown
- 18: Unknown
- 19: External Speaker
- 20: External Speaker