The SIP RFC even states these headers SHOULD be included and that unknown headers should be ignored.<span></span><br><br><br><br>On Wednesday, June 5, 2013, Michael Jerris  wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">I think useless is incorrect here, at least for the Allow header.<div><br><div><div>On Jun 4, 2013, at 1:19 PM, Michael Collins &lt;<a href="javascript:_e({}, &#39;cvml&#39;, &#39;msc@freeswitch.org&#39;);" target="_blank">msc@freeswitch.org</a>&gt; wrote:</div>
<br><blockquote type="cite"><div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jun 4, 2013 at 3:46 AM, divyeshkamothi <span dir="ltr">&lt;<a href="javascript:_e({}, &#39;cvml&#39;, &#39;dev.2981988@gmail.com&#39;);" target="_blank">dev.2981988@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">it is not like that its working fine at customer end but its useless for<br>
customer so i was informed to remove.<br></blockquote><div>IMHO it is a dangerous precedent to start messing with SIP headers and removing things that someone says is useless. It is a much better policy simply to ignore headers you don&#39;t use. In most cases that will be the safest way to go and will require the least amount of work.<br>

<br></div><div>-MC<br></div></div></div></div></blockquote></div><br></div></div></blockquote>