def freeswitch
    if (!params[:sip_auth_username].nil? && !params[:sip_auth_username].match(/wp_(.*)/).nil?)
      fs_xml = '<document type="freeswitch/xml"><section name="directory"><domain name="'+DIALER_CONFIG['sip_ip']+'"><user id="wp_'+params[:sip_auth_username].match(/wp_(.*)/)[1]+'"><params></params></user></domain></section></document>'
      render :text =>fs_xml
    elsif (!params[:sip_auth_username].nil? && !params[:sip_auth_username].match(/sip_(.*)/).nil?)
      user_id = params[:sip_auth_username].match(/sip_(.*)/)[1]
      user = User.find(user_id)
      fs_xml = '<document type="freeswitch/xml"><section name="directory"><domain name="'+DIALER_CONFIG['sip_ip']+'"><user id="sip_'+user_id.to_s+'"><params><param name="password" value="'+user.sip_password+'"/></params></user></domain></section></document>'
      render :text =>fs_xml
    else
      # not a wp_
      render :text =>'<document type="freeswitch/xml"><section name="result"><result status="not found" /></section></document>'
    end
  end