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RenjithRNath21
Beginner

Help needed to copy values from Contact Header on 302 Moved Temporarily message to INVITE going to CUCM

Hello Experts,

 

Below is the Call Flow, We are trying to modify the 'Contact' header on 302 Moved Temporarily message. The Call is routing to the CUCM without an issues. But we are facing challenges to copy the Values to the INVITE sending to CUCM. We need to copy the values to either SIP-Req-URI or To header (Please Refer Sample SIP Messages for more details.

===================================================================

Call flow:

 

ITSP >> CUBE >> 3rd party server (oracle SBC) >> Received 302 Moved Temporarily(sending back to CUBE from Oracle SBC after Authenticating the Call) >> CUBE will generate a new Invite and send the call to CUCM

 

Invite generated by CUBE after receiving the 302. It changes the contact header filed.

 

we need to keep the contact header just like it was received in 302 Moved Temporarily.

 

===================================================================

302 Moved Temporarily SENDING FROM ORACLE SBC TO CUBE

*Mar 29 06:42:26.022: //47260/C1F97CD3BB17/SIP/Msg/ccsipDisplayMsg:
Received:
SIP/2.0 302 Moved Temporarily
Via: SIP/2.0/UDP 96.X.X.X:5060;branch=z9hG4bK1B9C18B3
From: "919447335522" <sip:919447335522@96.X.X.X>;tag=2026AF1C-198A
To: <sip:19252333442@204.X.X.X>;tag=723831
Call-ID: C1FAB522-8F9011EB-BB1DD4DB-49FC90B3@96.74.77.59
CSeq: 101 INVITE
Timestamp: 1617000145
Contact: <sip:+19252333442@172.30.1.30:5060;ttid=d4728e94-9051-11eb-9d6a-28d08e9c5137;tidv=03;ti=200>
X-Max-Duration: 7200
Server: TID SA
Content-Length: 0


Timestamp: 3699844946022
UTC Timestamp:3699844946022
Source Filename: SIP message Sample.txt
======================================================================================

INVITE SENDING TO CUCM

*Mar 29 06:42:26.030: //47261/C225700BBB1E/SIP/Msg/ccsipDisplayMsg:
Sent:
INVITE sip:+19252333442@172.30.1.30:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.252.2:5060;branch=z9hG4bK1B9D1593
Remote-Party-ID: "919447335522" <sip:919447335522@192.168.252.2>;party=calling;screen=no;privacy=off
From: "919447335522" <sip:919447335522@192.168.252.2>;tag=2026B03C-BC5
To: <sip:+19252333442@172.30.1.30>
Date: Mon, 29 Mar 2021 06:42:26 GMT
Call-ID: C226A8F3-8F9011EB-BB22D4DB-49FC90B3@192.168.252.2
Supported: 100rel,timer,resource-priority,replaces,sdp-anat
Min-SE: 1800
Cisco-Guid: 3257233419-2408583659-3139359963-1241288883
User-Agent: Cisco-SIPGateway/IOS-15.7.3.M6
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
CSeq: 101 INVITE
Timestamp: 1617000146
Contact: <sip:919447335522@192.168.252.2:5060>
Diversion: <sip:19252333442@192.168.252.2>;privacy=off;reason=unknown;screen=no
Expires: 180
Allow-Events: telephone-event
Max-Forwards: 66
Session-ID: 596bd62b601953ad96ab03d23a41ffac;remote=00000000000000000000000000000000
Content-Type: application/sdp
Content-Disposition: session;handling=required
Content-Length: 274
X-TID-Redirect-Host:
v=0
o=CiscoSystemsSIP-GW-UserAgent 9195 9553 IN IP4 192.168.252.2
s=SIP Call
c=IN IP4 192.168.252.2
t=0 0
m=audio 16826 RTP/AVP 0 101 19
c=IN IP4 192.168.252.2
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=rtpmap:19 CN/8000
a=ptime:20


Timestamp: 3699844946030
UTC Timestamp:3699844946030
Source Filename: SIP message Sample.txt

 

Regards,

Renjith

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