//SRV_COOKIE
      FUIN  := GetTLVStr(@pkt, T);    //Client's UIN in ASCII format

 
T := GetInt(@pkt, 2);
      if T = $008e then                 // TLV(142 [0x008E])
      begin
        Inc(pkt.Len, GetInt(@pkt, 2));  
        FUIN  := GetTLVStr(@pkt, T);
      end else
      if T = $0001 then                 // TLV(1 [0x0001])
        FUIN  := GetWStr(@pkt);