/**
   * Dispatches the event received from a JAIN-SIP <tt>SipProvider</tt> to one of our "candidate
   * recipient" listeners.
   *
   * @param event the event received for a <tt>SipProvider</tt>.
   */
  public void processTimeout(TimeoutEvent event) {
    try {
      Transaction transaction;
      if (event.isServerTransaction()) {
        transaction = event.getServerTransaction();
      } else {
        transaction = event.getClientTransaction();
      }

      ProtocolProviderServiceSipImpl recipient = getServiceData(transaction);
      if (recipient == null) {
        logger.error(
            "We received a timeout which wasn't "
                + "marked, please report this to "
                + "*****@*****.**");
      } else {
        recipient.processTimeout(event);
      }
    } catch (Throwable exc) {
      // any exception thrown within our code should be caught here
      // so that we could log it rather than interrupt stack activity with
      // it.
      this.logApplicationException(DialogTerminatedEvent.class, exc);
    }
  }