EDIT: if possible move this to the dect sectionHi, I am new to Snom desk phones and I am trying to upgrade the built-in certificate of my M300 to SHA-2.
I followed this guide: Firmware patch from SHA-1 to SHA-2 for Snom 715
My current firmware is BSV530B7 and I have successfully added the M300 to Sraps.
Neither a provisioning profile, nor direct settings applied to the phone work. I tried with two profiles, one changed only the language, another changed Plug-n-Play to true.
Unfortunately, the base encounters an error when loading the provisioning file:
RemCfg: Checking for settings] loc3 .Info 2022-06-03T13:14:14Z 242-[ RemCfg: Attempting fetch of file: https://secure-provisioning.snom.com/snomM300/XXPrivacyXX] clk .Info 2022-06-03T13:14:18Z 242-[ UTC time set initiated by SNTP (1654254858 s)] clk .Info 2022-06-03T13:14:18Z 242-[ Local time set (2022-06-03 13:14:18)] loc3 .Info 2022-06-03T13:14:18Z 242-[ Time and Date and DST Broadcast to handsets] loc3 .Info 2022-06-03T13:14:24Z 242-[ RemCfg: File loaded successfully] loc3 .Info 2022-06-03T13:14:24Z 242-[ RemCfg: Detected XML file] loc3 .Info 2022-06-03T13:14:24Z 242-[ RemCfg: Attempting fetch of file: https://secure-provisioning.snom.com/snomM300//XXPrivacyXX-/XXPrivacyXX] loc3 .Info 2022-06-03T13:14:31Z 242-[ RemCfg: Error loading file] loc3 .Info 2022-06-03T13:14:31Z 242-[ RemCfg: Attempting fetch of file: https://secure-provisioning.snom.com/snomM300//XXPrivacyXX-firmware] loc3 .Info 2022-06-03T13:14:39Z 242-[ RemCfg: File loaded successfully] loc3 .Info 2022-06-03T13:14:39Z 242-[ RemCfg: Detected XML file] loc3 .Info 2022-06-03T13:14:39Z 242-[ RemCfg: Provisioning completed]
If I check the SSL certificate, it is still SHA-1. Did I miss something?
Unfortunately I need to confirm that the Snom M300 base station doesn't support the SHA-2 algorithm, and therefore cannot even get provisioned by SRAPS.
It only supports SHA-1 and you can only use SRAPS for redirection for this specific reason, this I am afraid is an hardware limitation so there is no way around it.
Thank you for your answer.
I am surprised that you can still buy machines this old in a new condition in retail. They should put a sticker on every box "with tech from 20 years ago inside".
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