| Specifications |
 |
 |
 |
 |
 |
 |
| Models |
KX-T7636 |
KX-T7633 |
KX-T7630 |
KX-T7625 |
KX-T7603 |
KX-T7640 |
| Display |
|
| LCD (Rows x Characters) |
6 x 24 |
3 x 24 |
3 x 24 |
No |
No |
No |
| Backlit LCD |
Yes |
Yes |
No |
No |
No |
No |
| LCD Display Contrast Adjustment |
4 Levels |
4 Levels |
4 Levels |
None |
None |
None |
| Keys |
|
| Programmable CO Keys with Dual-Color LED |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| CO Line Buttons |
24 |
24 |
24 |
24 |
12 |
60 |
| Navigator Key |
Yes |
Yes |
Yes |
Yes |
No |
No |
| Message/Ringer Lamp |
Yes |
Yes |
Yes |
Yes |
No |
No |
| Audio |
|
| Speakerphone |
Digital Duplex |
Digital Duplex |
Digital Duplex |
Digital Duplex |
No |
No |
| Speakerphone Volume Levels |
12 Levels |
12 Levels |
12 Levels |
12 Levels |
None |
None |
| Handset Volume Levels |
4 Levels |
4 Levels |
4 Levels |
4 Levels |
None |
None |
| Ringer Volume Levels |
4 Levels |
4 Levels |
4 Levels |
4 Levels |
None |
None |
| Connections |
|
| Headset Jack (2.5mm) |
Yes |
Yes |
Yes |
Yes |
No |
No |
| DXDP - Digital eXtra Device Port |
Yes |
Yes |
Yes |
Yes |
No |
No |
| USB Interface |
Option |
Option |
No |
No |
No |
No |
| 12 Key Add-On Module |
Option |
Option |
No |
No |
No |
No |
| Other |
|
| Tilt Angle Adjustment |
4 Levels |
4 Levels |
4 Levels |
4 Levels |
4 Levels |
4 Levels |
| Desk or Wall Mount |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |