Siemens Gigaset C470 IP User Manual page 169

Appendix
Questions and answers
You cannot establish a connection to the phone with your PC's Web browser.
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When establishing a connection, check the phone's local IP address that has been entered. You can
check the IP address on your handset.
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Check the LAN connections for the PC and phone.
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Check that your phone can be reached. Send a ping command, e.g. from your PC, to the phone
(ping s <local IP address of the phone>).
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You have tried to reach the phone via a secure http (https://...). Try again with http://....
You cannot be reached for calls from the Internet.
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There is no entry for your phone in your router's routing table. Check the settings for the
(page 138).
refresh time
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Your phone is not registered with the VoIP provider.
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You have entered the wrong user ID or an incorrect domain (page 136).
No firmware update or VoIP profile download is carried out.
1. If
Currently not possible!
already being carried out.
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Repeat the process at a later time.
2. If File corrupted! is displayed, the firmware or profile file may be invalid.
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Please only use firmware and downloads that are made available on the preconfigured Sie-
mens server (page 159) or at www.siemens.com/gigasetcustomercare.
3. If
Server not accessible!
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The server is currently not accessible. Repeat the process at a later time.
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You have changed the preconfigured server address (page 159). Correct the address. If neces-
sary, reset the base station.
4. If Transmission Error XXX
error code is displayed for XXX.
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Repeat the process. If the error occurs again, consult the Service department.
5. If
Check IP settings!
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Check the cable connections between the phone and router and between the router and the
Internet.
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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.
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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.
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Set your PABX to touch tone dialling.
No time is specified for a message in the call history.
Date/time is not set.
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Set date/time (page 13) or
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Activate base station synchronisation with a time server on the Internet (page 161).
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is displayed, the VoIP connections may be busy or a download/update is
is displayed, the download server may not be accessible.
is displayed, an error has occurred in the transmission of the file. An HTTP
is displayed, your phone may not be connected to the Internet.
NAT