Troubleshooting Check - Aastra 6753 User Manual

Troubleshooting Check

Fault detected
No display
No dial tone
No sound
No outside
access
Messages
displayed in a
foreign language
No reception of
voice messages
In case of a special problem, we recommend you to contact your system operator.
Check that the phone is connected to the line (dial tone in the
earpiece).
Check the cord to connect to the line.
Check that the other phones in the installation are working.
Check the screen contrast setting.
Check that the phone is connected to the line (display).
Check the cord to connect the handset.
Check that the other phones in the installation are working.
Check the handset, loudspeaker or headset volume level.
Check the handset, loudspeaker or headset volume level.
Check that you have the right to make outside calls.
Check that your phone is not locked or that your have entered the
right personal code.
Check the selected display language.
Check your connection to a voicemail system.
Check the recording of your voice signature or greeting message.
Check that call forwarding to your voice mailbox is activated.
Miscellaneous tools
Possible causes
61