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VoIP Phones - SNOM 3xx

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Snom 3xx Range

ALT=Snom 3xx Snom have a range of phones in their '3' series.

Phones and Versions Tested

SNOM 3xx
Model Version Notes

IPv6 support is listed on the specification pages for the 315, the 345 and the 375.

Older models

SNOM 3xx Versions tested
Model Version Notes
360 8.2.35
370 8.4.35
Feature Notes
Supports 302 Redirect Yes
Tested on FireBrick SIP Server Yes
IPv6 Support No


Apart from the 'Identity' settings, no additional configuration is required.

See: SNOM Find IP Address if you're unsure how to access the web interface.

SNOM 3xx Identity Settings
Setting Value
Identity active on
Account Your Number +44
Outbound Proxy Leave Empty
Authentication Name Your Number +44
Password Your Password
Prioritise PBX number lookup off (see Notes below)
Other Settings As default

Other (possibly) useful settings

  • Turn off Call Waiting, the default is On. - Advanced - Audio - Call Waiting Indication
  • Turn off U.S. date format - In Preferences
  • Turn off Advertisement - In Preferences


  • Snom did make available IPv6 firmware, but this was buggy and no longer available, and Snom say that IPv6 will not be supported on the 3xx range.
  • Directory Name not being shown? A couple of times we've noticed that the Directory does not display the Name when that number calls in. Try turning off 'prioritise pbx number lookup' - This setting is found on the Snom web pages under Advanced - Behaviour. This setting means the phone will use the Name in the Directory rather than the Name given in the SIP messages when the call is sent to the phone.
  • We have a page about SNOM Firmware Updates

Firewall & Security

Factory Reset SNOM 3xx

Since firmware version on the snom 3xx series it is possible to reset the phone using the key pad by pressing the following key sequence:

* Volume Up * Volume Down #

This is useful if you have lost the admin password or have lost the PIN etc., and this is much easier than the alternative way using TFTP to reset the phone.