Polycom IP 601 Telephone User Manual


 
26
No Dial-Tone
Verify power is correctly applied to the
SoundPoint
®
IP 601 SIP phone:
Check that the display is illuminated.
Make sure the LAN cable is inserted
properly at the rear of the phone
(try unplugging and re-inserting the
cable).
If using inline powering, check that
the switch is supplying power to the
phone (contact your System Adminis
-
trator).
Verify if dial tone is present on any other
audio paths:
Switch between handset, headset (if
present) or hands-free to see if dial
tone is present on these other paths.
If dial tone exists on one of these,
connect a different handset or head
-
set to isolate the problem.
No Display, Incorrect Display, or Bad Contrast
Verify power is correctly applied to the
SoundPoint
®
IP 601 SIP phone:
As “No Dial-Tone” above.
Verify contrast adjustment:
Follow the instructions in this User
Guide to readjust the contrast to a
darker level.
Reboot the phone to obtain a default
level of contrast (follow the instruc
-
tions in this User Guide).
Troubleshooting
Verify successful outbound or inbound
calling:
Place a call to the phone under in
-
vestigation - check that the display
indicates incoming call information.
Lift the handset. Ensure dial tone is
present and place a call to another
extension or number, check that the
display changes in response.
No Ringing
Verify incoming ring setting and volume
levels:
Adjust the ringing level from the front
panel using the volume up/down keys.
Check that ring type selection is not
Silent Ring.
Verify successful outbound or inbound
calling:
As “No Display” above.
Check same status of handset,
headset (if connected) and through
the hands-free speakerphone.
No Audio on Headset
Verify correct connections:
Ensure the headset is plugged into
the jack marked
Headset at the rear
of the phone.
Ensure the headset amplifier (if pres
-
ent) is turned on and/or the volume
is correctly adjusted.
Ensure that headset is compatible
with the phone.