ksu

  1. BLF/Sidecar expansion module on T43U

    Hi everyone. I've recently installed a V20 3CX system and have added a Yealink sidecar/BLF expansion module onto a Yealink T43U. I have never had to deal with one of these expansion devices before so I am not familiar with them at all. It is connected to the phone with the provided USB cable...
    • PBX_Programmer
    • Thread
    • blf dss expansion ksu programming sidecar t43u yealink
    • Replies: 5
    • Forum: Yealink
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