private void OnEnd(object sender, EventArgs e)
{
var caller = _terminalService.FindTerminalByNumber((sender as Terminal).Connection.From);
var info = _callService.GetCallInfo(caller.Connection);
info.Duration = TimeSpan.ParseExact($"{DateTime.Now - info.DateTimeStart:mm\\:ss}", "m\\:s", null);
info.CallState = CallState.Outgoing;
_callService.SaveCall(caller, info);
var answerer = _terminalService.FindTerminalByNumber(caller.Connection.To);
CallInfo info1 = _callService.Copy(info);
info1.CallState = CallState.Incoming;
_callService.SaveCall(answerer, info1);
_callService.RemoveCall(info);
_portService.ChangeState(caller.Port, PortState.ConnectedTerminal);
_portService.ChangeState(answerer.Port, PortState.ConnectedTerminal);
}
