Problems And Solutions; Getting Help; Viewing Phone Information - ShoreTel 480 User Manual

5 Troubleshooting

Problems and Solutions

Table 5
Problem
Your phone's display shows "No
Service."
Your phone's display is blank.
You hear no dial tone when you take
the handset off hook, but you hear a
dial tone when using either the
speaker or a headset.

Getting Help

If you have an urgent issue or a question about your phone, you can contact the Help Desk directly
from your phone.
1. Press the Help soft key.
2. At the prompt, press the Yes soft key.
Your phone dials the Help Desk.

Viewing Phone Information

You can view information about your phone, such as its IP address, subnet mask, version, and MAC
address.
1. With the phone on hook, press the
ShoreTel IP Phone 480/480g
shows common problems and solutions.
Table 5: Troubleshooting
Solution
Your phone is temporarily inoperable.
Contact your system administrator.
Try the following solutions:
Your phone might be in power-saving

mode. Go off hook or press any key to
bring the phone screen back to full
brightness.
The phone might not be connected to a

working power source. Contact your
system administrator.
The handset cable must be plugged firmly
into place on both the phone base and the
handset. To ensure a tight connection,
unplug and reconnect the cable at both
points, clicking the jack firmly into place.
Take the handset off hook and listen for a
dial tone.
button.
Problems and Solutions
User Guide 41