x4u-v2

  1. Fanvil X4U-V2 DTMF Issues

    All of our Fanvil X4U-V2 and X210-V2s are showing firmware version 2.12.26.4 as an available update from the current version 2.12.25.6. I rolled this update out to a few handsets to test, but it appears to stop DTMF working. All settings appear to be the same as other phones on the older...
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