code: private void startRELTimers(Mtp3TransferPrimitive encoded, ReleaseMessage rel) {
          // FIXME: add lock ?
          this.t1t5encodedREL = encoded;
          this.t1t5REL = rel;
  
          // it is started always.
          startT1();
  
          if (!this.t5.isActive()) {
              startT5();
          }
      }
docs: FIXME: t34 - check how SEG works