[SIPForum-discussion] P-Asserted-Identity and From Header

[rawat he]

Hello,

Below is the problem description :

INCOMING INVITE to Application server has got P-Asserted-Identity header,
What should be the value of FROM header in OUTGOING INVITE from the
application server??

Scenario :

Incoming invite :

INVITE sip:+661970000001 at ims.pea.co.th SIP/2.0^M
Via: SIP/2.0/UDP 10.41.1.70:5090
;branch=z9hG4bK_IMSCA0720430.000_bdfc475e68282708e18c4eb8d1d05ba1;lskpmc=S27^M
Via: SIP/2.0/UDP hq1rs01sip1.ims.pea.co.th:5060
;branch=z9hG4bKNSNSIP-460b290a-490b290a-2-0f7ec1f92a04bcbe93d700955d833400;received=10.41.11.19^M
Max-Forwards: 61^M
Route: <sip:10.41.13.88;lr;mode=terminating>^M
Route: <sip:isc at scscf1-mw.ims.pea.co.th:5090
;lr;lskpmc=S27;bcos=1cb8d4844ddf7d70fb48c28d8001bf44>^M
Record-Route: <sip:isc at scscf1-mw.ims.pea.co.th:5090
;lr;interface=isc;lskpmc=S27;routing_id=1cb8d4844ddf7d70fb48c28d8001bf44>^M
To: <sip:+661970000001 at ims.pea.co.th:5090>^M
From: <sip:70000002 at ims.pea.co.th
;user=phone>;tag=snl_0008345853_NSN_CLIENT^M
Call-ID: NSNSIP-460b290a-490b290a-2-21-1321948234-921378-1322869612^M
CSeq: 1235 INVITE^M
Content-Length: 368^M
Contact: <sip:70000002 at hq1rs01sip1.ims.pea.co.th;transport=udp>^M
Supported: 100rel^M
Supported: timer^M
Accept-Language: en;q=0.0^M
Allow: REGISTER,INVITE,ACK,BYE,CANCEL,NOTIFY,REFER,INFO,UPDATE,PRACK^M
P-Asserted-Identity: <sip:+661970000002 at ims.pea.co.th;user=phone>^M

Our application server Outgoing invite :

INVITE sip:+661970000001 at ims.pea.co.th:5090;transport=udp;user=phone
SIP/2.0^M
Via: SIP/2.0/UDP 10.41.13.91:5060^M
Route: <sip:isc at scscf1-mw.ims.pea.co.th:5090
;lr;lskpmc=S27;bcos=1cb8d4844ddf7d70fb48c28d8001bf44>^M
To: <sip:+661970000001 at ims.pea.co.th:5090;transport=udp;user=phone>^M
From: <sip:+661970000002 at 10.41.13.91
;user=phone>;tag=738fe46f-8cd3-4623-a542-467e957191cf^M
Call-ID: 10.41.13.911261051318^M
CSeq: 1 INVITE^M
Content-Length: 368^M
Content-Type: application/sdp^M
Contact: <sip:10.41.13.91:5060;transport=udp>^M
P-Charging-Vector: icid-value=692873354d69b59f922e51b210ba262e^M
P-Asserted-Identity: <sip:+661970000002 at ims.pea.co.th;user=phone>^M

We have replaced the FROM number with P-Asserted-Identity number.

Is this correct behavior ?? If not, then what should be the idle behavior??

Please tell me which RFC can give more details on this?? I have looked in
RFC 3325 but not much information given for above scenario.

Thanks,
Rawat
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