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<p class="MsoNormal">Hi Daniel <br>
<br>
It was a <b><i>very</i></b> long day so apologies for making an already confusing question more confusing but the answer you provided was what I was looking for.
<br>
<br>
The issue is the below:<br>
<br>
(Handset) SUBSCRIBE ( No To-Tag / $ft From-Tag) ------> SBC ------> Kamailio -------> API Post<br>
<br>
Kamailio (SL 200 OK To-Tag <span style="color:black;background:white">$ltt(s) </span>/ $ft From-Tag) ------> SBC ------> (Handset) SUBSCRIBE<br>
<br>
NOTIFY ------> Kamailio ( To-Tag = $ft from SUBSCRIBE / $ft From-Tag is a new from tag for the NOTIFY ) ------> SBC ------> (Handset) SUBSCRIBE<br>
<br>
<br>
<br>
The SBC does not like the change of tag between 200OK and NOTIFY Forking but we are doing this in accordance with the RFC 3265 around Forking
<br>
<br>
I was asking the question to able to have options for testing in a Lab Environment so I can use the
<span style="color:black;background:white">$ltt(s) </span>provided in the 200 OK and work it into the NOTIFY coming form a 3<sup>rd</sup> Party<span style="color:black;background:white">.
<br>
<br>
I just couldn’t see if for looking despite me being in the right place, so thanks for pointing it out</span><span style="font-size:12.0pt;font-family:"Segoe UI",sans-serif;color:black;background:white">
</span><br>
<br>
<br>
<b><span style="font-size:12.0pt;color:black;mso-fareast-language:EN-GB">Lewis </span>
</b><span style="mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-GB"> Daniel-Constantin Mierla <miconda@gmail.com>
<br>
<b>Sent:</b> 15 August 2022 18:08<br>
<b>To:</b> Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org>; Lewis Hutchinson <lewis.hutchinson@missionlabs.co.uk><br>
<b>Subject:</b> Re: [SR-Users] Remove and Re add FROM in 200 OK sl reply<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p>Hello,<span style="mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p>not sure I really understood what you want to do, so some generic remarks:<o:p></o:p></p>
<p> - From header for generated replies is taken from request. If you want a different one, change it for request, then do msg_apply_changes() and then generate the reply<o:p></o:p></p>
<p> - the To-tag set by Kamailio in generated replies should be available via:<o:p></o:p></p>
<p> * <a href="https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.kamailio.org%2Fwikidocs%2Fcookbooks%2F5.6.x%2Fpseudovariables%2F%23lttkey-local-to-tag&data=05%7C01%7Clewis.hutchinson%40missionlabs.co.uk%7C54499c43bd84439292b608da7ee0a835%7C97c26f550a7a4661bd8f7b43b50d3f2b%7C0%7C0%7C637961800600598054%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=9RdXwQxY6lRcpHeFB0lOan624tnKGsnb3Rl1V0q24Do%3D&reserved=0">
https://www.kamailio.org/wikidocs/cookbooks/5.6.x/pseudovariables/#lttkey-local-to-tag</a><o:p></o:p></p>
<p>Cheers,<br>
Daniel<o:p></o:p></p>
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<p class="MsoNormal">On 11.08.22 17:19, Lewis Hutchinson wrote:<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Apologies for the confusion I am actually trying to access to To tag in the sl reply and fix that to what I want (i.e the $ft of the SUBSCRIBE plus i.e –1234) to test<br>
<br>
<br>
<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black;mso-fareast-language:EN-GB">Lewis
</span></b><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-GB"> Lewis Hutchinson
<br>
<b>Sent:</b> 11 August 2022 14:59<br>
<b>To:</b> <a href="mailto:sr-users@lists.kamailio.org">sr-users@lists.kamailio.org</a><br>
<b>Subject:</b> Remove and Re add FROM in 200 OK sl reply</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Hello All<o:p></o:p></p>
<p class="MsoNormal">kamailio 5.5.3<br>
KEMI Python<br>
Lab environemnt<br>
<br>
Is there a reason why this does not work?<br>
<br>
Lines 2 and 3 work but the removal of the initial From is not working on Line 1<br>
<br>
<br>
1. KSR.hdr.remove(“From”)<br>
2. KSR.hdr.append_to_reply("From: " +KSR.pv.gete("$fn") + " <"+KSR.pv.gete("$fu") + ">" + ";tag=" +KSR.pv.gete("$ft") + "--1234" + "\r\n")<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">3. KSR.sl.sl_send_reply(200, "OK")<br>
<br>
<br>
In a SUBSCRIBE/NOTIFY scenario I am trying to control the From Tag returned in the 200OK so I can use the same one in subsequent NOTIFY messages generated outside of Kamailio, my theory is use the From tag in the Subscribe and append it on the reply with –1234
for example (this is only in a Lab at this stage, any other options please let me know)<br>
<br>
Whenever I do this I end up with 2 From headers (see below)<br>
<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0cm;margin-bottom:3.0pt;margin-left:0cm">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D;mso-fareast-language:EN-GB">SIP/2.0 200 OK</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0cm;margin-bottom:3.0pt;margin-left:0cm">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D;mso-fareast-language:EN-GB">Via: SIP/2.0/UDP 192.168.1.67:5060;branch=z9hG4bK-f710a11a;rport=46404;received=xx.yy.xx.yy</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0cm;margin-bottom:3.0pt;margin-left:0cm">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D;mso-fareast-language:EN-GB">From: " testuser"
<a href="sip:limeant30@sip.viazeta.com">sip:limeant30@sip.viazeta.com</a>;tag=bf8745def06c7b12</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0cm;margin-bottom:3.0pt;margin-left:0cm">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D;mso-fareast-language:EN-GB">To: <sip:
<a href="mailto:testuser@sip.viazeta.com%3e;tag=47969b75f14e6954812863912d1cf21c.b5f3318f">
testuser@sip.viazeta.com>;tag=47969b75f14e6954812863912d1cf21c.b5f3318f</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0cm;margin-bottom:3.0pt;margin-left:0cm">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D;mso-fareast-language:EN-GB">Call-ID:
<a href="mailto:b21ba770-9b5836aa@192.168.1.67">b21ba770-9b5836aa@192.168.1.67</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0cm;margin-bottom:3.0pt;margin-left:0cm">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D;mso-fareast-language:EN-GB">CSeq: 18137 SUBSCRIBE</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0cm;margin-bottom:3.0pt;margin-left:0cm">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D;mso-fareast-language:EN-GB">Contact: "testuser" <<a href="sip:testuser@%20xx.yy.xx.yy:46404">sip:testuser@ xx.yy.xx.yy:46404</a>></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0cm;margin-bottom:3.0pt;margin-left:0cm">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D;mso-fareast-language:EN-GB">Expires: 3600</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0cm;margin-bottom:3.0pt;margin-left:0cm">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D;mso-fareast-language:EN-GB">From: "testuser"
<a href="sip:testuser@testbed.com">sip:testuser@testbed.com</a>;tag=bf8745def06c7b12--1234</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0cm;margin-bottom:3.0pt;margin-left:0cm">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D;mso-fareast-language:EN-GB">Content-Length: 0</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">I have tried many many variations but the original From header always persists I have checked the debug logs and it says it has been removed<br>
<br>
Anyone know what I am missing? And how to get KSR.hdr.remove(“From”) to work. Looking in a debug log the header is removed.
<br>
<br>
<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black;mso-fareast-language:EN-GB">Lewis</span></b><o:p></o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB"><br>
<br>
<o:p></o:p></span></p>
<pre>__________________________________________________________<o:p></o:p></pre>
<pre>Kamailio - Users Mailing List - Non Commercial Discussions<o:p></o:p></pre>
<pre> * <a href="mailto:sr-users@lists.kamailio.org">sr-users@lists.kamailio.org</a><o:p></o:p></pre>
<pre>Important: keep the mailing list in the recipients, do not reply only to the sender!<o:p></o:p></pre>
<pre>Edit mailing list options or unsubscribe:<o:p></o:p></pre>
<pre> * <a href="https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.kamailio.org%2Fcgi-bin%2Fmailman%2Flistinfo%2Fsr-users&data=05%7C01%7Clewis.hutchinson%40missionlabs.co.uk%7C54499c43bd84439292b608da7ee0a835%7C97c26f550a7a4661bd8f7b43b50d3f2b%7C0%7C0%7C637961800600598054%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=JFJOMnXDeBLNt4eb1xaTE4aezFS1iUEl1ShdWE4LWC0%3D&reserved=0">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><o:p></o:p></pre>
</blockquote>
<pre>-- <o:p></o:p></pre>
<pre>Daniel-Constantin Mierla -- <a href="https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.asipto.com%2F&data=05%7C01%7Clewis.hutchinson%40missionlabs.co.uk%7C54499c43bd84439292b608da7ee0a835%7C97c26f550a7a4661bd8f7b43b50d3f2b%7C0%7C0%7C637961800600598054%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=b9NuYYIgFT2mfUqmbtQmHSVUrVrvCWkRhgIhlTEGb84%3D&reserved=0">www.asipto.com</a><o:p></o:p></pre>
<pre><a href="https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.twitter.com%2Fmiconda&data=05%7C01%7Clewis.hutchinson%40missionlabs.co.uk%7C54499c43bd84439292b608da7ee0a835%7C97c26f550a7a4661bd8f7b43b50d3f2b%7C0%7C0%7C637961800600598054%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=5VdyX%2BUjP6Vg4Z37k9yOTpFSkpv4ZK5%2B9YQ%2FoMXwIWk%3D&reserved=0">www.twitter.com/miconda</a> -- <a href="https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.linkedin.com%2Fin%2Fmiconda&data=05%7C01%7Clewis.hutchinson%40missionlabs.co.uk%7C54499c43bd84439292b608da7ee0a835%7C97c26f550a7a4661bd8f7b43b50d3f2b%7C0%7C0%7C637961800600598054%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=io8VPRw%2BJk%2BWBK4SzbNfRcrA10EaQYw%2BJoM0datotew%3D&reserved=0">www.linkedin.com/in/miconda</a><o:p></o:p></pre>
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