Siemens optiPoint 410 entry Administrator's Manual page 238

Troubleshooting
No terminal Mask is set
The DHCP IP assignment ! page 54 is switched off and no terminal Mask
is configured (Code 5).
Possible solution
Activate the DHCP IP assignment ! page 54.
Enter the terminal Mask ! page 54.
No Default Route is set
The DHCP IP assignment ! page 54 is switched off and no default route
is configured (Code 6).
Possible solution
Activate the DHCP IP assignment ! page 54.
Enter the default route ! page 54.
Subscriber identity not set
The subscriber identity (number or name) is not configured (Code 7).
Possible solution
Enter number or/and name ! page 115.
No network
The telephone cannot find the network (Code 8).
Possible solution
Check the network cable.
SIP Server address not set
The DHCP setting is switched off an a SIP server has not been configured
(Code 9).
Possible solution
Configure SIP server address ! page 115.
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