Опробовал все что написали - не работает ( все так же долбит один телефон
привожу более подробно конфиги, может где то ошибся.

sip.conf
[general]
context=default
pedantic=yes
allowguest=no
bindport=5060
bindaddr=0.0.0.0.
realm=office.ru
disallow=all
allow=alaw
language=ru
limitonpeers=yes
;call-limit=100
useragent=Asterisk.ois
maxexpirey=3600
minexpiry=180
defaultexpirey=600
dtmfmode = rfc2833
videosupport=no
canreinvite=no

[CiscoTrunk]
type=friend
secret=
qualify=no
port=5060
pickupgroup=
nat=no
host=10.8.128.5
dtmfmode=rfc2833
context=Cisco_out
canreinvite=no
callgroup=
accountcode=
call-limit=10


extensions.conf
static=yes
writeprotect=no
clearglobalvars=no
autofallthrough=yes


exten => s,1,Answer
exten => s,n,Set(CALLERID(number)=444)
exten => s,n,Wait(${MENU_PAUSE})
exten => s,n,Queue(support,tw,,,180)


[Cisco_out]
exten => _1[2369]X.,1,Dial(SIP/${EXTEN}@CiscoTrunk,30,rT)

queues.conf
[general]
persistentmembers = yes
autofill = no

[support]
strategy = fewestcalls
;strategy = rrmemory
;context = queue-out
musicclass=default
timeout = 7
retry = 5
autopause=no
maxlen = 8
joinempty = yes
eventwhencalled = no
eventmemberstatus = no
ringinuse = no
announce-position=yes
announce-frequency = 30
periodic-announce-frequency = 30
periodic-announce = vse-operatory
weight=0
wrapuptime=0
member = Local/1213@Cisco_out/n,1
member = Local/1215@Cisco_out/n,0
member = Local/1219@Cisco_out/n,0

больше никаких конфигов не правил