[OpenSIPS-Users] Modify To:'s field and forward

[spady]

Hi List, 
I searched into Forum and i am reading about AVP module and UAC module but
it's hard to write my first OpenSIPS's script :-(
As I sayd i am trying to modify the following INVITE message:

INVITE sip:00522375568 at 10.9.101.166:5060;user=phone SIP/2.0 
Via: SIP/2.0/UDP 172.16.52.7:5061 
From: Fax Alcatel <sip:+390522375507 at 172.16.52.7:5061>;tag=B0A3C63723A2
To: sip:00522375568 at 10.9.101.166:5060 
Call-ID: 8f917371-ff97-4953-bc3d-fdba788fe45a at 172.16.52.7 
CSeq: 101 INVITE 
Max-Forwards: 70 
Contact: <sip:+390522375507 at 172.16.52.7:5061;user=phone>
User-Agent: Alcatel-Lucent OmniTouch Fax Server Application/6.5.6.28 
P-Alcatel-CSBU: charging=sip:2542 at ucalcatel.sedoc.locale 
Content-Type: application/sdp 
Content-Length: 235 

v=0 
o=XMedius-Fax-Gateway 79844629 629 IN IP4 172.16.52.7 
s=SIP Fax Call 
c=IN IP4 172.16.52.7 
t=0 0 
m=audio 62186 RTP/AVP 18 8 4 
a=rtpmap:18 G729/8000 
a=fmtp:18 annexb=no 
a=rtpmap:8 PCMA/8000 
a=rtpmap:4 G723/8000 
a=ptime:20

As Osiris sayd I started to write into usr_preferences table the following:

*opensipsctl avp add -T usr_preferences +390522375507 at 172.16.52.7 is_FAX 0
y*

+------+---------------+-------------+-----------+------+-------+
| uuid | username      | domain      | attribute | type | value           |
+------+---------------+-------------+-----------+------+-------+
|       | +390522375507 | 172.16.52.7 | is_FAX    |    0        | y       |
+------+---------------+-------------+-----------+------+-------+

then I should use AVP to delete first "0" from INVITE field and TO field and
change "10.9.101.166 (is OpenSIPS)" with "10.9.6.3 (is PBX's ip)"

INVITE sip:*0*0522375568 at 10.9.101.166:5060;user=phone SIP/2.0
and
To: sip:*0*0522375568 at 10.9.101.166:5060

and repleace them with 87019; so my new FROM and To will should became:

INVITE sip:*87019*0522375568@*10.9.6.3*:5060;user=phone SIP/2.0
and
To: sip:*87019*0522375568@*10.9.6.3*:5060

Please, can you help me to write this script/route logic ????
I would really appreciate it.

Thanks in advance



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