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Appendix
Troubleshooting
If you have difficulty with the telephones, please try the suggestions below.
In case of malfunction, contact authorized service personnel, your seller, or Snom.
For corded telephone
Question
1. The telephone does not work at all.
2. There is no dial tone.
3. I hear other calls when using the telephone.
4. The Speed Dial key does not work at all.
Suggestions
• Make sure a Cat-5 network cable is plugged
into the LAN port of the telephone base
and the network wall jack with Power over
Ethernet (PoE).
• Unplug the Cat-5 network cable from the
network wall jack. Wait for approximately
15 seconds, then plug it back in.
• Disconnect the telephone base from the
network wall jack and connect a different
working telephone. If the other telephone
does not work, the problem is probably in
the wiring or network server.
• Try all the above suggestions.
• The Cat-5 network cable may be defective.
Install a new Cat-5 network cable.
• Make sure your network is providing
Power over Ethernet (PoE).
• Disconnect the telephone base from the
network wall jack and connect a different
working telephone. If there is no dial tone
on this telephone either, the problem is in
your wiring or network server.
• Make sure the initialization and system
registration
speakerphone key blinks twice every
second if there are errors with the
initialization
process.
• Disconnect the telephone base from
the network wall jack and connect a
different working telephone. Check your
server settings. If calls are still not clear,
the problem is probably in the wiring or
network server. Contact your telephone
service provider (charges may apply).
• The Speed Dial key may not be properly
programmed.
EN - 16
process
completes.
and
system
registration
The
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