User guide
Appendix B, Troubleshooting
120 Aastra – 2736-007
Problem
Possible Solution(s)
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 key when the phone is on-hook and idle.
For more information, see Volume Key in Chapter 2.
Why is the lamp not
coming on when I have a
new Voicemail Message?
Your phone system or service provider must provide a
Visual Message Waiting service for this function to work.
Contact your system administrator.
Why is my handset not
working?
Check to ensure that the handset cord is fully connected to
both the phone and handset. The handset connection on the
bottom of the phone is marked with the handset symbol
.
How do I find the IP
address of my phone?
This setting is in the Options list. See IP and MAC
Addresses in Appendix A.
How do I change my User
Password?
This setting is in the Options list. See User Password in
Appendix A.
Why does my phone
display the “No Service”
message?
The phone displays the “No Service” message if the SIP
settings have not been set up correctly. You can still use the
phone but it is not registered with the Registrar. For more
information about registering your phone, see your system
administrator.
How do I restart the IP
phone?
This setting is in the Options list. See Restart Phone in
Appendix A.