Hello Chad,<br><br>I guess you are not supposed to do that because you must only use the standard headers, otherwise you could have compatibility issues.<br><br>Use <br><pre>&lt;action application=&quot;set&quot; data=&quot;sip_h_X-myheader&quot;/&gt;</pre>
<br>To create your own standard headers. If you still want to create your own headers I&#39;m afraid you are gonna have to patch the mod_sofia.<br><br>Best Regards.<br><br><br><br><div class="gmail_quote">2011/9/30 Chad Vogel <span dir="ltr">&lt;<a href="mailto:cvogel@lyonl.com">cvogel@lyonl.com</a>&gt;</span><br>
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<b>hello,</b>
<div><b><br>
</b></div>
<div><b>I&#39;m looking to do custom sip headers. I wan&#39;t to send a 302 message and set the content header to something like this: Contact: &lt;tel:<a href="tel:%2B17208886435" value="+17208886435" target="_blank">+17208886435</a>&gt; ;expires=3600 Also on the From header I would like to add a isup-oli param to set ISUP cause codes.  </b><b>how
 can i do this? </b></div>
<div><b><br>
</b></div><font color="#888888">
<div><b>Chad</b></div>

</font></div>

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