Appendix E: Troubleshooting - Tadiran Telecom T207M/NP User Manual

Appendix E: Troubleshooting

Failure Messages
The following failure messages may appear on your phone to indicate there is a connection error. See the table below to
determine the cause of the problem and the solution.
Failure Message
Check Network
Connection
CODEC MISMATCH
IP Address not Legal
No DNS server address
No Net Mask
NO PHYSICAL LINK
Appendix E: Troubleshooting
Problem
The keyset initialized but cannot connect to the
network.
Each phone operates a specific set of codecs that
determines the compression rate at which the
phone communicates with the Coral.
This message indicates that the compression rate
of your phone has not been correctly defined in the
Class of Service (COS).
The static Self IP Address defined in the phone is
invald.
The DNS Server IP Address was not provided by
the DHCP Server. There is no DNS Server defined
in the phone.
There is no Subnet Mask configured in the phone. Notify your system administrator.
Your phone is not connected to the network.
Solution / Action
Check the connection to the LAN/PC and
then reboot.
Notify your system administrator.
Notify your system administrator
Notify your system administrator.
Check all wires, connections, hubs and
switches to determine if any parts or
components are unplugged or damaged.
265 T207M, T208M, T207M/NP, T208M/BL User Guide