Asterisk_Config

#SIP.CONF

[general]
context=trunk-squire-incoming
bindport=5060
bindaddr=0.0.0.0
tcpenable=no
tcpbindaddr=0.0.0.0
srvlookup=yes
disallow=all
allow=alaw
allow=g729
insecure=port,invite

[0287250030]
trustrpid=yes
sendrpid=yes
usereqphone=yes
type=friend
context=users
secret=pippo
host=dynamic
user=0287250030

[trunk-squire-outcoming]
usereqphone=yes
type=peer
host=$IP
outboundproxy=$IP

#EXTENSIONS.CONF

[general]
static=yes
writeprotect=no
clearglobalvars=no

[trunk-squire-incoming]
exten => _X.,1,Dial(SIP/${EXTEN},60,tT)
exten => _X.,n,Macro(dial-result,${DIALSTATUS})
exten => i,1,Playback(you-dialed-wrong-number,noanswer)
exten => i,n,Playback(check-number-dial-again,noanswer)

[users]
exten => _X.,1,MSet(AssertedIdentity=<sip:${CALLERID(num)}@enter.it\;user=phone>)
exten => _X.,n,Set(CALLERID(num)=${CALLERID(num)})
exten => _X.,n,SipAddHeader(P-Asserted-Identity:"sip:+39${CALLERID(num)}@enter.it\;user=phone")
exten => _X.,n,Dial(SIP/trunk-squire-outcoming/+39${EXTEN},60,)