11.15  Special methods

   1 service limit_fwd {
       processing {
         dialog {
           response INVITE(request rq) {
   5         rq = rq with {#max-forwards: 2};
             return forward;
           }
     
           response REINVITE(request rq) {
  10         rq = rq with {#max-forwards: 2};
             return forward;
     } } } }