Dialplan for the queue:
asterisk=> select * from extensions where exten='1234' order by context, exten, priority;
 id  |    context     | exten | priority |  app  |           appdata           
-----+----------------+-------+----------+-------+-----------------------------
 107 | fig_public_ext | 1234  |        1 | Set   | MONITOR_FILENAME=rockfordag
 108 | fig_public_ext | 1234  |        2 | Queue | rockfordag
(2 rows)

Queue entry in queues.conf:
[rockfordag]
musiconhold=default
announce = company-rockfordag
strategy = rrmemory
servicelevel = 120
timeout = 15
retry = 5
weight = 0
wrapuptime = 45
maxlen = 0
announce-frequency = 90
monitor-format = wav
monitor-join = yes
eventwhencalled = yes
eventmemberstatusoff = no
member => Agent/1200

File recorded:
-rw-r--r--  1 root  wheel    81484 Aug 14 18:44 agent-1200-1155599060-599.wav