code: public static boolean isThisVerbCallEnabler(Tag verb){
          if(Verbs.play.equals(verb.name()) || Verbs.say.equals(verb.name()) || Verbs.gather.equals(verb.name()) || Verbs.record.equals(verb.name()) || Verbs.redirect.equals(verb.name()))
              return true;
          return false;
      }
docs: if 200 ok delay is enabled we need to answer only the calls
  which are having any further call enabler verbs in their RCML.
  @return