Thx Jeff,<br><br>In the meantime I have tried with<br><br>append_hf(&quot;P-Preferred-Service: header value\r\n&quot;);<br><br>and it seems to also work fine.<br><br><br>Regards,<br>David<br><br><div class="gmail_quote">On Fri, Oct 1, 2010 at 5:21 PM, Jeff Pyle <span dir="ltr">&lt;<a href="mailto:jpyle@fidelityvoice.com">jpyle@fidelityvoice.com</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div style="word-wrap: break-word;">David,<div><br></div><div><a href="http://www.opensips.org/html/docs/modules/1.4.x/textops.html#id271351" target="_blank">http://www.opensips.org/html/docs/modules/1.4.x/textops.html#id271351</a></div>

<div><br></div><div><a href="http://www.opensips.org/html/docs/modules/1.4.x/textops.html#id271351" target="_blank"></a>Something like this:</div><div>  insert_hf(&quot;P-Preferred-Service: header value&quot;, &quot;Contact&quot;);</div>

<div><br></div><div><br></div><div>- Jeff</div><div><br></div><div><div><div><div></div><div class="h5"><div>On Oct 1, 2010, at 11:09 AM, David Santiago wrote:</div><br></div></div><blockquote type="cite"><div><div></div>

<div class="h5">Hi,<br><br>I need to add a P-Preferred-Service header to the SIP messages that are sent from my OpenSIPS installation to the destination slee server.<br><br>What is the recommended way to do this?<br><br>
<br>
Thanks in advance,<br>

David<br></div></div>
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