anchor.diff:                              nksip_call_dialog:update_meta(nksip_min_se, NewMinSE, 
                                                             DialogId, Call)
                       end,
  -                    case nksip_parse:session_expires(Req) of
  +                    case parse(Req) of
                           {ok, SE0, Class0} ->
                               SE1 = max(SE0, NewMinSE),
                               SEHd = case Class0 of
  
positive.code: %% Private
  %% ===================================================================
  
  %% @private
  -spec get_timer(nksip:request(), nksip:response(), uac|uas, nksip_call:call()) ->
      {refresher | refreshed | none, integer()}.
  
negative.code:     nksip:response().
  
  proxy_response(Req, Resp) ->
      case parse(Resp) of
          {ok, _, _} ->
              Resp;
          undefined ->
              case parse(Req) of
                  {ok, SE, _} ->
                      case nksip_sipmsg:supported(Req, <<"timer">>) of
                          true ->
  