To Next PageTo Next PageWhat 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.
What to do if Aastra DT390 says 'Battery low, charge now'?
If your Aastra Cordless Telephone displays 'Battery low, charge now', it means the battery level is low. To resolve this, charge or replace the battery.
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 does 'SERVICE NEEDED Parameters corrupt' mean on my Aastra DT390?
If your Aastra Cordless Telephone displays 'SERVICE NEEDED Parameters corrupt', it means the phone is defective. Select the reset option using the middle soft key and upgrade the phone’s software. If there is no reset option available, or if the error persists, the phone requires repair. Send the phone for service.
Why is there no display on my Aastra DT390?
If your Aastra Cordless Telephone displays 'No display', it indicates that the battery level is low or the phone is defective. Charge the battery to resolve the issue.
Why is my Aastra Cordless Telephone not ringing?
If you are experiencing 'No ringing' on your Aastra Cordless Telephone, it could be due to several reasons: 1. The mute icon is displayed. 2. The ring volume is set to silent. 3. The phone is defective. Here’s how to address these potential causes: 1. To deactivate mute, press and hold the appropriate button. 2. To increase the volume, go to settings>Sound & Alerts>Volume. 3. If the issue persists, the phone may need to be sent for service.
Why is the signal strength icon off on my Aastra DT390 Cordless Telephone?
If the signal strength icon is off on your Aastra Cordless Telephone, it means you are out of the system coverage area, or the phone is defective. Try moving into the coverage area.
What to do if Aastra DT390 displays 'Enter IPEI'?
If your Aastra Cordless Telephone displays 'Enter IPEI', it means the phone is blocked because the wrong PIN code was entered more than three times. Enter the IPEI code and press the designated button.
What to do if Aastra DT390 Cordless Telephone says 'No access'?
If your Aastra Cordless Telephone says 'No access', it means the network is in range, but there are no access rights. Try switching the phone off and then on again.
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 |
