Safety and compliance, Part 15 rules, Class b digital device or peripheral – Polycom IP 600 SIP User Manual
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No Response from Feature Key Presses
Verify telephone is in active state:
• Make a call to the telephone to check
for inbound call display and ring-
ing as normal. If successful, try to 
press feature keys within the call to 
access Directory or Buddy Status for 
example.
• Press
Hold
Del
Sel
1
3
DEF
5
JKL
4
GHI
6
MNO
8
TUV
7
PQRS
9
WXYZ
0
OPER
*
#
2
ABC
Hold
Menu
Messages
Do Not Disturb
ABC
2
1
DEF
3
5
4
MNO
JKL
GHI
6
TUV
8
7
WXYZ
9
OPER
PQRS
0
Directories
Services
Conference
Transfer
Redial
followed by System
Status
and Server Status to confirm
line is actively registered to the 
server.
• Reboot the telephone to attempt
re-registration to the server.
Display shows “Network Link is Down”
Verify LAN cable is properly connected:
• Check termination at the switch or
hub (furthest end of the cable from the 
telephone).
• Check that the switch or hub is opera-
tional (flashing link/status lights) or 
contact your System Administrator.
• Press
Hold
Del
Sel
1
3
DEF
5
JKL
4
GHI
6
MNO
8
TUV
7
PQRS
9
WXYZ
0
OPER
*
#
2
ABC
Hold
Menu
Messages
Do Not Disturb
ABC
2
1
DEF
3
5
4
MNO
JKL
GHI
6
TUV
8
7
WXYZ
9
OPER
PQRS
0
Directories
Services
Conference
Transfer
Redial
followed by System
Status
and Network Status. Scroll
down to verify LAN port is Active.
• Reboot the telephone to attempt
reconnection to the network.
Safety and Compliance
Part 15 Rules
This device complies with Part 15 of the 
FCC Rules. Operation is subject to the fol-
lowing two conditions:
1. This device may not cause harmful
interference, and
2. This device must accept any
interferences received, including in-
terference that may cause undesired 
operation.
Class B Digital Device or Peripheral
Note: This equipment has been tested and 
found to comply with the limits for a Class 
B digital device, pursuant to Part 15 of the 
FCC Rules. These limits are designed to 
provide reasonable protection against harm-
ful interference in a residential installation. 
This equipment generates, uses, and can 
radiate radio frequency energy and, if not 
installed and used in accordance with the 
instructions, may cause harmful interfer-
ence to radio communications. However, 
there is no guarantee that interference will 
not occur in a particular installation. If this 
equipment does cause harmful interference 
to radio or television reception, which can 
be determined by turning the equipment 
off and on, the user is encouraged to try 
to correct the interference by one or more 
of the following measures:
1. Reorient or relocate the receiving
antenna.
2. Increase the separation between the
equipment and receiver.
3. Connect the equipment into an out-
let on a circuit different from that 
to which the receiver is connected.
4. Consult the dealer or an experience
radio/TV technician for help.