Mine

exten => 3106945044,1,Queue(support)    ; Call Center


[support]
music=default
strategy=roundrobin
timeout=30
retry=5
wrapuptime=15
maxlen=0
announce-frequency=30
announce-holdtime=yes
announce-round-seconds=10
context=operator
member => SIP/2001
member => SIP/2002
member => SIP/2003
member => SIP/2004