Issue 1.2 January 2005
33
Chapter 4: Troubleshooting
Introduction
This chapter provides basic and advanced troubleshooting procedures.
Basic Troubleshooting Chart
Problem/Symptom
Suggested Solution
Phone does not activate when it is plugged in
and nothing appears on the display.
The set may not be receiving power. Double
check that the Ethernet cable is plugged into
the jack labeled
and that the power
source is plugged into a working outlet.
Phone has information on the display, but
does not respond to button presses.
Try restarting the phone by unplugging the
Ethernet cable plugged into the jack labeled
and then plugging it back in.
Display shows an error or informational
message.
This could indicate a network problem.
Contact the network administrator.
Audio quality is poor on both the handset and
speaker. You may hear clipped, garbled, or
severely delayed speech.
Various potential network problems may be
causing this problem.
Contact the network administrator. Swap out
the phone to ensure it is not defective.
No audio from the handset, but speaker
works okay.
Check that the handset is properly plugged
into the phone. Try swapping a handset from
a similar phone to see if the handset or cord is
defective.
The Web interface doesn’t work or works
intermittently.
Try bypassing the proxy server, using the
Bypassing an Internet Proxy
procedure in
Chapter 3: Managing the Telephone Manually
or Using the Web Interface
.
The phone’s IP address may also have
changed since you last accessed the Web
interface. Use
Determining the IP Address
to
ensure that you are using the proper address
to connect to the Web interface.
Summary of Contents for IP Office 4602
Page 1: ...4602 SIP Telephone SIP Release 1 2 Administrator s Guide 16 300037 Issue 1 2 January 2005 ...
Page 2: ......
Page 12: ...About This Guide 12 4602 SIP Telephone SIP Release 1 2 Administrator s Guide ...
Page 48: ...Time Zone Determination 48 4602 SIP Telephone SIP Release 1 2 Administrator s Guide ...
