Troubleshooting Solutions
41-001158-05 Rev 03 – 04.2012
23
Troubleshooting Solutions
Why is the light not coming on with a new Voice Mail Message?
Your phone system or service provider must provide “Visual” Message Waiting service for this function to work. Check
with your system administrator for more information.
Why is my handset not working?
Check to ensure that the handset cord is fully connected to both the phone and handset. See the section
“Connecting a
Handset or Headset”
on
page 10
for information.
Why is my speakerphone not working?
If you press
and the speaker light flashes and you do not hear dial tone, the Set Audio option has been used to set
up the phone for headset use; press
a second time. If the light goes out, the phone is set up to be used only with a
headset or handset. If the light stays on steady and you hear dial tone, you can alternate between the speakerphone and
the headset by pressing
. See the section,
“Set Audio”
on
page 17
for instructions on how to change the
Set Audio
feature.
Why is my display blank?
Ensure that power is being provided to your phone. If your Network does not provide Inline power over Ethernet, you can
obtain an additional accessory, the a PoE inline power injector, to provide power over Ethernet locally to your phone.
See the section
“Connecting to the Network and to Power”
on
page 8
for details.
Why can I only see 4 options when the installer or user guide says there are more?
The telephone screen will only show 4 options at a time. To see more, press the down arrow button
2
.
Can I turn the backlight for the screen on and off?
Yes. You can use the IP phone UI to turn ON and OFF the backlight for the screen.
Why does the telephone wobble?
Make sure the cords are routed properly through the back of the phone, as indicated in the section,
“Connecting a Hand-
set or Headset”
on
page 10
. Check that the leg stands have been properly snapped into place. Since the legs can be ori-
ented in two different ways and in two different positions to offer four different phone viewing angles, check that both
legs are oriented in the same direction and in the same position on either side of the phone.
What is a softkey?
There are 6 bottom, state-based softkeys that are programmable up to 20 functions. These keys are located at the center
of the phone on either side of the display panel. See the section
“Line/Call Appearance Keys”
on
page 18
or refer to your
Aastra Model 6755i IP Phone User Guide
for more information.
1.
Press the
key.
2.
Select
Display->Backlight
.
3.
Press the
Change
key to turn the backlight on and off.
4.
Press
Save
to save the change.
