Troubleshooting; Installation - Panasonic KX-NS500 Installation Manual

7.1.1 Installation

7.1 Troubleshooting

7.1.1 Installation
PROBLEM
You cannot make/receive
calls via an IP network.
IP-PTs/SIP phones do not
operate.
254 Installation Manual
PROBABLE CAUSE
•
DSP card malfunction
•
Mother board
malfunction
•
Not enough activation
keys
•
Poor connection
•
Network malfunction
•
DSP card malfunction
•
Mother board
malfunction
•
Not enough activation
keys
•
IP-PT/SIP phone not
registered
•
IP-PT/SIP phone
malfunction
•
Poor connection
•
Network malfunction
SOLUTION
•
Replace the corresponding card.
•
Replace the mother board (be sure to turn
off the PBX when replacing).
•
Purchase additional activation key codes.
Please consult a certified dealer for
details.
•
Make sure that an 8-pin twisted pair cable
is used for connection.
•
Make sure that none of the CAT 5/CAT 5e
cables in use are over 100 m in length.
•
Make sure that a straight cable is used for
connection to a switching hub.
•
Make sure that all network devices in use
are switched on.
•
Make sure that there is no unwanted
firewall in the IP network.
•
Replace the corresponding card.
•
Replace the mother board (be sure to turn
off the PBX when replacing).
•
Purchase additional activation key codes.
Please consult a certified dealer for
details.
•
Register the corresponding IP-PT/SIP
phone.
•
Replace the IP-PT/SIP phone.
•
Make sure that an 8-pin twisted pair cable
is used for connection.
•
Make sure that none of the CAT 5/CAT 5e
cables in use are over 100 m in length.
•
Make sure that a straight cable is used for
connection to a switching hub.
•
Make sure that all network devices in use
are switched on.
•
Make sure that the IP-PT/SIP phone is not
blocked by the firewall or other network
devices.