callback fail

  1. 3CX v20 u8 build 1121 final? callers lost in callback queue

    I'm getting "Event 105 There was a lost Call in Queue Reservations (333) from Caller ID +1XXX-XXX-XXXX" after an event 103 error ever since upgrading to the build previous to v20u8 final. Event 103 Failed Callback. Callback to number +1XXXXXXXXXX failed. Queue: 333 [Reservations]. caller...
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