queue.conf :

[general]
persistentmembers = yes

[myqueue]
timeout=15
joinempty=strict
leavewhenempty=strict
announce-frequency=30
maxlen=5
strategy=leastrecent

agents.conf :

[general]
persistentagents=yes
[agents]
ackcall=no
wrapuptime=5000
agent => 3052,,Teste Avaya
agent => 3053,,Teste Polycom

[general]
port=5060
bindaddr=0.0.0.0
context=cat_voip_externo
language=br
canreinvite=no
tos=lowdelay
maxexpirey=1728000
disallow=all
allow=alaw
musicclass=planetarium

[3050]
context=sip_to_anywhere
username=3050
accountcode=3050
mailbox=3050
disallow=all
amaflags=billing
type=friend
callgroup=1
pickupgroup=1
allow=alaw
callerid="Ramal Teste" <3050>
md5secret=48b3bdfff42b124ffb77e450c6d6e574
nat=yes
qualify=yes
host=dynamic

[3052]
context=sip_to_anywhere
username=3052
accountcode=3052
disallow=all
amaflags=billing
type=friend
callgroup=1
pickupgroup=1
allow=alaw
callerid="Ramal Teste 2" <3052>
md5secret=1f38e9caf752d3bab2298982b6da4ccb
nat=no
qualify=no
host=dynamic

[3053]
context=sip_to_anywhere
username=3053
accountcode=3053
mailbox=3053
disallow=all
amaflags=billing
type=friend
callgroup=1
pickupgroup=1
allow=alaw
callerid="Teste Desenv Polycom" <3053>
md5secret=006b3c0b2b041c413500026039154a79
nat=no
qualify=no
host=dynamic

dialplan :

[org_capturaemesperafila]
exten => _*8*1*X,1,Answer()
exten => _*8*1*X,2,Wait(1)
exten => _*8*1*X,3,SetAMAFlags(documentation)
exten => _*8*1*X,4,AGI(planetfone/pf.facilidades,capturaemesperafila,1,desenvolvimento,${EXTEN:5})
exten => _*8*1*X,5,Hangup()

[queue_to_agent]
exten => _3XXX,1,NoOp(BEFORE SETGROUP: Group: ${EXTEN} Count: ${GROUP_COUNT(${EXTEN})})
exten => _3XXX,n,Set(GROUP=${EXTEN})
exten => _3XXX,n,NoOp(AFTER SETGROUP:  Group: ${GROUP} Count: ${GROUP_COUNT(${EXTEN})})
exten => _3XXX,n,GotoIf($[ ${GROUP_COUNT(${EXTEN})} > 1 ] ? 1000)
exten => _3XXX,n,Dial(SIP/${EXTEN}|15|T)
exten => _3XXX,n,Busy()

exten => _3XXX,1000,NoOp(Agent ${EXTEN} is busy. Count: ${GROUP_COUNT(${EXTEN})})
exten => _3XXX,n,Busy()

[sip_to_anywhere]
exten => _3XXX,1,NoOp(BEFORE SETGROUP: Group: ${ACCOUNTCODE} Count: ${GROUP_COUNT(${ACCOUNTCODE})})
exten => _3XXX,n,NoOp(BEFORE SETOUTBOUNDGROUP: Group: ${EXTEN} Count: ${GROUP_COUNT(${EXTEN})})
exten => _3XXX,n,Set(GROUP=${ACCOUNTCODE})
exten => _3XXX,n,Set(OUTBOUND_GROUP=${EXTEN})
exten => _3XXX,n,NoOp(AFTER SETGROUP:  Group: ${GROUP} Count: ${GROUP_COUNT(${GROUP})})
exten => _3XXX,n,GotoIf($[ ${GROUP_COUNT(${EXTEN})} > 0 ] ? 1000)
exten => _3XXX,n,Dial(SIP/${EXTEN}|15|tT)
exten => _3XXX,n,Hangup()

exten => _3XXX,1000,NoOp(SIP ${EXTEN} is busy. Count: ${GROUP_COUNT(${EXTEN})})
exten => _3XXX,n,Busy()

exten => 3097,1,Queue(myqueue|tr|||600)
exten => 3097,2,Hangup()