0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 +---------------+---------------+---------------+---------------+
 |                               |                               |
 |     PT_TR_REPLY_Code_Type     |  PT_TR_REPLY_Code_Length = 2  |
 |                               |                               |
 +---------------+---------------+---------------+---------------+
 |                                                               |
 |                    PT_TR_REPLY_Code_Value                     |
 |                                                               |
 +---------------+---------------+---------------+---------------+