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  1. 3CX Tunnel / Session Border Controller

    I'm running 3CX 15.5 on Debian and have a Windows SBC. My Phone is a Yealink W56P with firmware 25.80.0.15 (seems to be the latest). I have audio problems, most of the time I can't hear the other side, everything else seems to be normal. Update: Changed SBC to Debian, seems to work perfectly fine.
  2. 3CX Tunnel / Session Border Controller

    I have the same problem, please help ERR | 20170918-205738.474 | 3CXTunnel | TUNL | 4920 | TunnelTcp.cpp:262 | Bridge [3CXSBC15.5.2607.1] failure 'Too long inactivity' on TCP connection: while processing tunnel connection ALERT | 20170918-205738.505 | 3CXTunnel | TUNL | 4920 |...
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