<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div>Hi <font face="Tahoma" size="2">Anthony,<br><br></font>According to RFC3261 and RFC 2543, Double quote "" is not mandatory. But I have seen it in some debug traces from other SoftPhones.<br><br>Ref: Section 20.39 of RFC 3261 <br>Ref: Section 6.37 RFC 2543<br><br>The following are examples of valid To headers:<br>To: The Operator &lt;sip:operator@cs.columbia.edu&gt;;tag=287447<br>To: sip:+12125551212@server.phone2net.com<br></div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br>John<br><br><div style="font-family: arial,helvetica,sans-serif; font-size: 13px;"><font face="Tahoma" size="2"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Anthony Minessale &lt;anthony.minessale@gmail.com&gt;<br><b><span style="font-weight: bold;">To:</span></b>
 freeswitch-dev@lists.freeswitch.org<br><b><span style="font-weight: bold;">Sent:</span></b> Mon, August 16, 2010 1:15:32 PM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: [Freeswitch-dev] Sip RFC2543 and FreeSwitch<br></font><br>
everything outside the &lt;&gt; should be in ""<br><br><br>On Mon, Aug 16, 2010 at 11:51 AM, Brian West &lt;<a ymailto="mailto:brian@freeswitch.org" href="mailto:brian@freeswitch.org">brian@freeswitch.org</a>&gt; wrote:<br>&gt; I'm pretty sure this to header is 100% invalid.<br>&gt;<br>&gt; /b<br>&gt;<br>&gt; On Aug 16, 2010, at 11:15 AM, Tech Micron wrote:<br>&gt;<br>&gt;&gt; &nbsp; &nbsp;To: sip:1000@66.220.15.234 &lt;sip:1000@66.220.15.234&gt;<br>&gt;<br>&gt;<br>&gt; _______________________________________________<br>&gt; FreeSWITCH-dev mailing list<br>&gt; <a ymailto="mailto:FreeSWITCH-dev@lists.freeswitch.org" href="mailto:FreeSWITCH-dev@lists.freeswitch.org">FreeSWITCH-dev@lists.freeswitch.org</a><br><span>&gt; <a target="_blank" href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev">http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev</a></span><br><span>&gt; UNSUBSCRIBE:<a target="_blank"
 href="http://lists.freeswitch.org/mailman/options/freeswitch-dev">http://lists.freeswitch.org/mailman/options/freeswitch-dev</a></span><br><span>&gt; <a target="_blank" href="http://www.freeswitch.org">http://www.freeswitch.org</a></span><br>&gt;<br><br><br><br>-- <br>Anthony Minessale II<br><br><span>FreeSWITCH <a target="_blank" href="http://www.freeswitch.org/">http://www.freeswitch.org/</a></span><br><span>ClueCon <a target="_blank" href="http://www.cluecon.com/">http://www.cluecon.com/</a></span><br><span>Twitter: <a target="_blank" href="http://twitter.com/FreeSWITCH_wire">http://twitter.com/FreeSWITCH_wire</a></span><br><br>AIM: anthm<br>MSN:<a ymailto="mailto:anthony_minessale@hotmail.com" href="mailto:anthony_minessale@hotmail.com">anthony_minessale@hotmail.com</a><br>GTALK/JABBER/PAYPAL:<a ymailto="mailto:anthony.minessale@gmail.com" href="mailto:anthony.minessale@gmail.com">anthony.minessale@gmail.com</a><br>IRC: <a target="_blank"
 href="http://irc.freenode.net">irc.freenode.net</a> #freeswitch<br><br>FreeSWITCH Developer Conference<br>sip:<a ymailto="mailto:888@conference.freeswitch.org" href="mailto:888@conference.freeswitch.org">888@conference.freeswitch.org</a><br>googletalk:conf+<a ymailto="mailto:888@conference.freeswitch.org" href="mailto:888@conference.freeswitch.org">888@conference.freeswitch.org</a><br>pstn:+19193869900<br><br>_______________________________________________<br>FreeSWITCH-dev mailing list<br><a ymailto="mailto:FreeSWITCH-dev@lists.freeswitch.org" href="mailto:FreeSWITCH-dev@lists.freeswitch.org">FreeSWITCH-dev@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev</a><br>UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-dev" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-dev</a><br><a
 href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br></div></div>
</div><br>







      </body></html>