[SIPForum-discussion] feasibility of the below related to SIP message format

[Tumay Atalay]

Hi All,

Could you please tell me about the feasibility of the given szenario?

Currently we are using the domain name as ims.go.net.sa for SIP calls from A to B.
B is requesting us to prefix "xyz" in the SIP message format as below without changing DOMAIN Name.
Currently we are receiving 12345 at xyz.ims.go.net.sa from B in the SIP format & we are sending 12345 at ims.go.net.sa
B is requesting us to send 12345 at xyz.ims.go.net.sa from our side instead of 12345 at ims.go.net.sa
 
Below is the SIP message format from A to B
SIP/2.0 183 Session Progress 
From: <sip:0598195755 at ims.go.net.sa;user=phone>;tag=asipT_dQ4gYdaD3Hp2S.4 
To: <sip:1788 at xyz.ims.go.net.sa;user=phone>;tag=2416c8b0-645110ac-13c4-40030-22f1-2cc1d523-22f1 
Call-ID: dxu7qb-d7ZeHOWyHMVQ6x8wJdYBm7vs7-pSzzq 
CSeq: 1 INVITE 
Via: SIP/2.0/UDP aaa.bbb.ccc.ddd:5060;branch=z9hG4bKJrH8EjW9.4 
Supported: 100rel, 
        x-nortel-sipvc, 
        replaces, 
        timer 
Require: 100rel 
User-Agent:  ABC SIP GW
RSeq: 98 
Contact: <sip:1788 at ims.go.net.sa:5060;maddr=172.16.81.100;transport=udp;user=phone> 
Allow: INVITE,ACK,BYE,REGISTER,REFER,NOTIFY,CANCEL,PRACK,OPTIONS,INFO,SUBSCRIBE,UPDATE 
Content-Type: application/sdp 
Content-Length:  231 

Many Thanks

 
>
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