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Model 55i IP Phone User Guide
Troubleshooting Solutions
Troubleshooting Solutions
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 Aastra PoE (Power over Ethernet) inline power supply, to
provide power over Ethernet locally to your phone. See the section
“Connecting to the Network and to Power” in the
Aastra 55i Installation
Guide
for details.
Why is my speakerphone not working?
If you press the
button and the speaker light flashes and you do not
hear dial tone through the speaker phone, the Set Audio option in the
phone’s Options list has been set up for headset use. Press
a second
time and if the light goes out, the phone has been set up to be used only
with a headset or handset. If the light stays on steady and you hear dial
tone, the phone has been set up so that you can alternate between the
speakerphone and the headset by pressing
. See the section
“Customizing your phone” in the
55i Installation Guide
for instructions
on how to change the Set Audio option.
Why can’t I get a dial tone?
Check for any loose connections and that the phone has been installed
properly. For installation instructions, please refer to the “Installation and
Setup” section in the
Aastra 55i Installation Guide
provided with your
phone.
Why doesn’t my phone ring?
Check the ring volume on your phone. It may be turned down or turned
off. To adjust the ringer volume setting, press the volume button when the
phone is on-hook and idle. For more information, refer to the “Adjusting
Volume section” in the
Aastra 55i Installation Guide
provided with your
phone.
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” in the
Aastra 55i Installation Guide
for information.
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