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  1. Yealink phones won't provision

    The phones and the 3CX server are on the same network, same subnet, and same VLAN (and nothing has changed with that for a number of years). Oops, I thought the links right on that page were to the latest firmware. Nonetheless, I upgraded the firmware to 66.86.0.5 and factory reset, but I'm...
  2. Yealink phones won't provision

    Yes and yes. The phones, including the one I'm trying to provision, are all on the same physical and virtual network as the 3CX server
  3. Yealink phones won't provision

    This is an on-premises set-up with everything provisioned through local LAN. 3CX is the latest version (18.0 Update 3 (Build 461)) running on Win10. The specific phone I'm trying to provision is a Yealink T46S with the latest firmware (66.84.0.5). However, I have had the same problem trying...