Do you have a question about the Avaya 3903 and is the answer not in the manual?
| Speakerphone | Yes |
|---|---|
| Headset Jack | Yes |
| Color | Black |
| Lines | 1 |
| Headset Port | 2.5mm |
| Compatibility | Avaya Communication Manager |
| Message Waiting Indicator | Yes |
| Wall Mountable | Yes |
| Buttons | 12 |