mysql> select * from ast_config where filename='iax.conf' and category='general';
+------+------------+------------+-----------+----------+----------+-----------------+--------------------------------------------------+
| id   | cat_metric | var_metric | commented | filename | category | var_name        | var_val                                          |
+------+------------+------------+-----------+----------+----------+-----------------+--------------------------------------------------+
| 6516 |          0 |         17 |         0 | iax.conf | general  | tos             |  |
| 6514 |          0 |         15 |         1 | iax.conf | general  | register        | |
| 6515 |          0 |         16 |         1 | iax.conf | general  | register        | |
| 6513 |          0 |         14 |         1 | iax.conf | general  | register        | |
| 6512 |          0 |         13 |         1 | iax.conf | general  | register        ||
| 6511 |          0 |         12 |         0 | iax.conf | general  | maxexcessbuffer | 300                                              |
| 6509 |          0 |         10 |         0 | iax.conf | general  | dropcount       | 3                                                |
| 6510 |          0 |         11 |         0 | iax.conf | general  | maxjitterbuffer | 500                                              |
| 6508 |          0 |          9 |         0 | iax.conf | general  | jitterbuffer    | yes                                              |
| 6507 |          0 |          8 |         0 | iax.conf | general  | allow           | g726                                             |
| 6504 |          0 |          5 |         0 | iax.conf | general  | allow           | gsm                                              |
| 6505 |          0 |          6 |         0 | iax.conf | general  | allow           | g723.1                                           |
| 6506 |          0 |          7 |         0 | iax.conf | general  | allow           | g729  |
| 6503 |          0 |          4 |         0 | iax.conf | general  | allow           | alaw |
| 6502 |          0 |          3 |         0 | iax.conf | general  | allow           | ulaw |
| 6501 |          0 |          2 |         0 | iax.conf | general  | disallow        | all |
| 6500 |          0 |          1 |         0 | iax.conf | general  | bandwidth       | high |
| 6499 |          0 |          0 |         0 | iax.conf | general  | bindaddr        | |
+------+------------+------------+-----------+----------+----------+-----------------+--------------------------------------------------+