What information is contained in the file name out-974959737373-102-20150624-100036-1435129236.2708.wav?

Question

Asterisk

Freepbx writes subscribers' conversations.
The resulting files look like:
out-974959737373-102-20150624-100036-1435129236.2708.wav
Where can I read how the file name is formed?
PS: Googled but couldn't find...

Answer 1

out - outgoing call
974959737373 - number called after 9, the number itself in international 74959737373
102 - internal number of the subscriber who called
20150624 - date in simple form
100036 - call start time in simple form
10:00:36 1435129236.2708 - time, date, time zone in unittime format (human view - Wed Jun 24 2015 10:00:36 GMT+0300 (MSK))
wav - audio file format