code: protected boolean checkChannelId(final int id, final String svcType)
  	{
  		if (id == channelId)
  			return true;
  		logger.warn("received service " + svcType + " with wrong channel ID " + id + ", expected " + channelId
  				+ " - ignored");
  		return false;
  	}
docs: Validates channel id received in a packet against the one assigned to this connection.
  
  @param id received id to check
  @param svcType packet service type
  @return <code>true</code> if valid, <code>false</code> otherwise