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Release Date: 29. April 2025

Important Notes

  • Please make sure you read ALL of the information below before installing the software on your device.
  • Please install and test the software in your environment before mass deployment.
  • We encourage you to read and follow our security advisories.
Please combine the FW version 1.0.2.5 update of the phones with the corresponding handset firmware (if applicable) you will find in the Firmware Files table below.

Please don't miss this interop related change: in all H-series models the user agent string composition is now simplified to:

snom*modelname*

e.g. Snom HD300 user agent string is changed from:

Snom Hotel SIP HD300

to just:

snomHD300

Highlight Feature

Please note: This is the initial release candidate for 3CX. The full certification with 3CX is ongoing, and for pilot projects / early adopters we agreed with our partner 3CX to publish this RC in sync with 3CX Version 20 Update 6 Alpha.

This 3CX RC does support the recently introduced features from 1.0.2.1 as well:

Changelog

Changes since 1.0.2.1

#746: UPD - Snom MKT version 1.0.2.5
#1899: UPD - User agent name for 3CX certification
#1845: UPD - Missing character in HTTP request User-Agent

Firmware Files

Phone ModelFile SizeSHA256-checksumDownload LinkHandset ModelFile SizeDownload LinkSHA256-checksum
HD10047 MBea04bb17fb816478f2767b45fd10368a1d6d68ae1fe830742ddb464c9fca3e8cHD100-1.0.2.5-0.img



HD10147 MB 2cdbac3d2db4a68e6c07da7b8f5ea95f9e498eaab0f6ce576e3c5c9b39c0a12fHD101-1.0.2.5-0.imgHD1460 KBHD1-HD3-HS-1.2.27-0.img8cb8881853d944337f08dd61731ca9d3118b88aecdbbc9b78d20faedfe3cddb7
HD300 / HD30L50 MB 2670243ea160f3e706da2469388c2cf428491465dbc3fa5da49eb9bdca70d811HD300_HD30L-1.0.2.5-0.img



HD33146 MBa93fadf83e6ef7caecbfec509a74499f41d6d149cbf087931b85ed9ff4a1762cHD331-1.0.2.5-0.imgHD3460 KBHD1-HD3-HS-1.2.27-0.img8cb8881853d944337f08dd61731ca9d3118b88aecdbbc9b78d20faedfe3cddb7
HD350W50 MB31df37f9ff1a5207aa409dfefa62bb7be990c54b090de0f3db9b7cc4068a2eb4HD350W-1.0.2.5-0.img



HD351W50 MBc6d70616079e1fe82a61dff9aaba37707c0ff1ed2800524f2941974554cd1c87HD351W-1.0.2.5-0.imgHD3460 KBHD1-HD3-HS-1.2.27-0.img8cb8881853d944337f08dd61731ca9d3118b88aecdbbc9b78d20faedfe3cddb7
HM20148 MBa8e4a4e72252cd0da81ab7cf01c0c2e296046a8144c0750958131dc69b271f94HM201-1.0.2.5-0.imgHM21,1 MBHM2-HS-1.04.02-04.imgabd01efbd7697ddcc86f2eb99a526dff35ece2f4f858ac89ab781e10427432fa