Freepbx settings storage

General Help
1

Hello

Where are freepbx extensions settings are stored? For example, "concurrency limit"
http://joxi.ru/zANDEzefBXZ0bm
Sorry for russian interface.
Can’t find it in MySQL database. Maybe, this settings are stored in some kind of file storage?

2

/etc/asterisk/sip_additional.conf

3

All over the place. An extension is not a simple data row.
in a few mysql tables and astdb

4

Thanks, i’ll check it out.