Siemens Gigaset C450IP - Manual (Page 71)

70
Appendix
Gigaset C450 IP / Greek eng / A31008-M1713-T151-3-8U19 / appendix.fm / 24.9.07
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on 4, 16.
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You cannot make calls via VoIP. The display
shows Server not accessible! .
¥
First wait a few minutes. This is often a
short-term event that corrects itself after a
short time.
If the message is still displayed, proceed as fol-
lows:
¥
Check whether your phone's Ethernet cable
is correctly connected to the router.
¥
Check your router's cable connection to the
Internet.
¥
Check whether the phone is connected to
the LAN. For example, set a ping command
on the phone (ping s
the phone>). It may be that no IP address
could be assigned to the phone or a perma-
nently set IP address is already assigned to
another LAN subscriber. Check the settings
on the router, you may have to activate the
DHCP server.
You cannot make calls via VoIP. The display
shows SIP registration failed! .
¥
First wait a few minutes. This is often a
short-term event that corrects itself after a
short time.
The message may still be displayed for the fol-
lowing reasons:
1. Your information for
Username , Authentica-
tion Name and Authentication Password may
be incomplete or incorrect.
¥
Check your information. In particular,
check your use of upper and lower case.
2. The general settings for your VoIP provider
are incomplete or incorrect (incorrect
server address).
¥
Start the Web configurator and check
the settings.
You cannot establish a connection to the
phone with your PC's Web browser.
¥
When establishing a connection, check the
local phone IP address that has been
entered. You can check the IP address on
your handset (page 49).
¥
Check the LAN connections for the PC and
phone.
¥
Check that your phone can be reached.
Transmit a ping command to your phone,
e.g. from your PC.
¥
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.
¥
There is no entry for your phone in your
router's routing table. Check the settings
for the NAT refresh time (page 60).
¥
Your phone is not registered with the SIP
service.
¥
You have entered the wrong user ID or an
incorrect domain (page 57).
No firmware update or VoIP profile download
is carried out.
1. If
Not possible! Try later! is displayed, the VoIP
line may be busy or a download/update is
already being carried out.
¥
Repeat the process at a later time.
2. If File corrupt! is displayed, the firmware or
profile file may be invalid.
¥
Please use only firmware and down-
loads that are made available on the
preconfigured Siemens server
(page 65) or at www.siemens.com/
gigasetcustomercare.
3. If Server not available! is displayed, the down-
load 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 65). Correct the
address. If necessary, reset the base sta-
tion.
4. If Transmission error XXX is displayed, an
error 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 Please check IP settings! is displayed, your
phone may not be connected to the Inter-
net.
¥
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.