provided by Star2Billing S.L.

Hi All
My sip provider is not accepting this format
exten => _X.,n,Set(CALLERID(num)=41644444444)
exten => _X.,n,Set(CALLERID(name)=Name)

they said " make sure that when you pass the caller information it is passed through the P-ASSERTED field and not the FROM or REMOTE PARTY fields."

now this way it is working
[outgoingcalls]
exten => _X.,1,SipAddHeader(P-Asserted-Identity: "Name" <sip:[email protected]>)
exten => _X.,n,Answer(10)
exten => _X.,n,Set(CALLERID(num)=41644444444)
exten => _X.,n,Set(CALLERID(name)=Name)
exten => _X.,n,Dial(SIP/${v1}/${EXTEN})
exten => _X.,n,Hangup()

So therefore I need to modify my a2billing script do write exten => _X.,1,SipAddHeader(P-Asserted-Identity: "Name" <sip:[email protected]>) instead of exten => _X.,n,Set(CALLERID(num)=41644444444)
Now which file(s) do I need to modify in order to do this?
Thanks in advance