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41-001134-05, Rev 00, Rel. 1.1 B-1
Troubleshooting Solutions
Appendix B
Troubleshooting Solutions
About This Appendix
This Appendix describes solutions to some most commonly occurring problems.
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.
Why is my speaker phone 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 “Setting the Headset Microphone Volume” on page 2-75 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 AastraLink Pro 160 Quick Start
User’s Guide.