Siemens GIGASET C475 IP User Manual
Page 167
166
Appendix
Questions and answers
Gigaset C470-475 IP / EN for IM-Ost / A31008-xxxx-xxxx-x-xxxx / appendix.fm / 18.12.07
Ve
rs
ion 2.
1,
08.0
1.20
07
You cannot be reached for calls from the Internet.
¥
There is no entry for your phone in your router's routing table. Check the settings for the
NAT
refresh time
¥
Your phone is not registered with the VoIP provider.
¥
You have entered the wrong user ID or an incorrect domain (page 137).
No firmware update or VoIP profile download is carried out.
1. If
Currently not possible!
is displayed, the VoIP connections may be busy or a download/update is
already being carried out.
¥
Repeat the process at a later time.
2. If
File corrupted!
is displayed, the firmware or profile file may be invalid.
¥
Please only use firmware and downloads that are made available on the preconfigured Sie-
mens server (page 159) or
3. If
Server not accessible!
is displayed, the download server may not be accessible.
¥
The server is currently not accessible. Repeat the process at a later time.
¥
You have changed the preconfigured server address (page 159). Correct the address. If neces-
sary, reset the base station.
4. If
Transmission Error
XXX
is displayed, an error has occurred in the transmission of the file. An HTTP
error code is displayed for XXX.
¥
Repeat the process. If the error occurs again, consult the Service department.
5. If
Check IP settings!
is displayed, your phone may not be connected to the Internet.
¥
Check the cable connections between the phone and router and between the router and the
Internet.
¥
Check whether the phone is connected to the LAN, i.e. it can be reached at its IP address.
You cannot listen to or control the network mailbox.
VoIP:
Your VoIP provider does not support the type of DTMF signalling set up on your phone.
¥
Ask your VoIP provider which signalling it supports and change the settings on your phone
(page 146) if necessary.
Operating the base station within a PABX:
Your PABX is set for dial pulsing.
¥
Set your PABX to touch tone dialling.
No time is specified for a message in the call history.
Date/time is not set.
¥
Set date/time (page 13) or
¥
Activate base station synchronisation with a time server on the Internet (page 161).
The integrated answer machine of your Gigaset C475 IP reports "Invalid PIN" on remote opera-
tion.
1. You have entered the wrong system PIN.
¥
Enter the system PIN again.
2. The system PIN is still set to 0000.
¥
Change the system PIN (page 115).