User's and Administrator's Manual 7. Troubleshooting
Version 0.314 53 450HD IP Phone
7 Troubleshooting
7.1 Users
Read this section if an issue with your phone occurs. Contact your network administrator if
necessary. Network administrators can also use this section as reference.
Table 7-1: Troubleshooting
Symptom Problem Corrective Procedure
(no screen displays
and LEDs)
power
Make sure the AC/DC power adapter is attached firmly
to the DC input on the rear of the phone.
Make sure
the AC/DC power adapter is plugged into the
electrical outlet.
Make sure the electrical outlet is functional.
If using Power over Ethernet (PoE), contact your
network administrator to check that the switch is
Ring volume is set too low
Increase the volume (see Section 5.8.1)
Touch screen
display is poor
Adjust the phone’s screen brightness
audio
properly
Make sure your headset is securely plugged into the
headset port located on the side of the phone.
Make sure the headset volume level is adjusted
adequately (see Section 5.8.5).
7.2 Network Administrators
Network administrators can troubleshoot telephony issues in their networks using the sections
below as reference.
7.2.1 Collecting Logs
Device diagnostics (Logcat) can be collected using the Microsoft Admin Portal. For support
purposes, general logs can be collected also using the Microsoft Admin Portal. The logs can help
debug Teams application issues and also for issues related to the device.
To collect logs:
1. Reproduce the issue
2. Access Microsoft Admin Portal and under the Devices tab click the Diagnostics icon.