To Next PageTo Next PageWhat to do if my Aastra Cordless Telephone shows 'Enter PIN code'?
If your Aastra Cordless Telephone displays 'Enter PIN code', it means the telephone lock is activated. You should enter the required PIN code. If you've lost the PIN code, enter a new one via PDM or perform a factory reset via PDM.
What to do if Aastra DT390 Cordless Telephone displays 'Enter PIN'?
If your Aastra Cordless Telephone displays 'Enter PIN', it means the phone’s lock is activated. Enter the required PIN code. If you have lost the PIN code, configure a new one or perform a factory reset in WinPDM.
Why does my Aastra DT390 Cordless Telephone beep and display 'No system'?
If your Aastra Cordless Telephone is beeping once a minute (for up to 30 minutes) with alternating low and high tones, and the display shows 'No system', it indicates that the phone is out of coverage or is defective. To stop the beeping, press the specified button. Move back into the coverage area, or contact the system administrator. Note that it may take a few minutes for the phone to register with the system again once you are back in range.
What to do if the signal strength icon is off on Aastra Cordless Telephone?
If the signal strength icon is off on your Aastra Cordless Telephone, it may be because you are out of the system coverage area, or the phone is defective. Try moving into the coverage area. If the issue persists, contact your system administrator.
What does it mean if my Aastra DT390 Cordless Telephone says 'SERVICE NEEDED Parameters corrupt'?
If your Aastra Cordless Telephone displays 'SERVICE NEEDED Parameters corrupt', it indicates the telephone is defective. Select the reset option on the middle soft key, if available. If there's no reset option or the fault persists, the telephone needs repair.
How to fix 'No display' on Aastra Cordless Telephone?
If you see 'No display' on your Aastra Cordless Telephone, it means the battery level is low or the phone is defective. Charge the battery. If the issue continues, contact your system administrator.
Why does my Aastra Cordless Telephone beep once a minute and say 'No system'?
If your Aastra Cordless Telephone beeps once a minute with a low tone followed by a high tone, it means the phone is out of coverage or is defective. Stop the beep by pressing the specified button. Then, move into the coverage area. Note that when you re-enter the coverage area, it may take a few minutes for the phone to register with the system again.
What does 'No access' mean on my Aastra Cordless Telephone?
If your Aastra Cordless Telephone shows 'No access,' it means the network is in range, but you don't have access rights. Try switching the phone off and then on again.
Why does my Aastra Cordless Telephone switch off calls after 2 seconds?
If your Aastra Cordless Telephone call is switched off after 2 seconds, it means the phone is defective. Contact your system administrator.
Why does my Aastra Cordless Telephone call switch off after 2 seconds?
If your Aastra Cordless Telephone switches off after 2 seconds during a call, it means the phone is defective. Contact the system administrator.
General| Type | Cordless Telephone |
|---|---|
| GAP Standard | Yes |
| Speakerphone | Yes |
| Frequency | 1.9 GHz |
| Range | Up to 300m (outdoor), Up to 50m (indoor) |
| Headset Connection | 2.5mm |
| Compatibility | Aastra communication platforms |
| Audio Quality | HD Audio |
