<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Title" content="">
<meta name="Keywords" content="">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.msoIns
{mso-style-type:export-only;
mso-style-name:"";
text-decoration:underline;
color:teal;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style>
</head>
<body bgcolor="white" lang="EN-US" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoNormal">Message-summary is for voicemail, not presence. And I’ve seen many phones that don’t have a setting to disable that subscription.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">SUBSCRIBE is not required for basic call functionality. If you don’t support it, just remove it.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I think that the client is actually correct in that even the first NOTIFY should contain a body. If there is no state to report, the body should be the appropriate indication of that for whatever event is being notified. But there must
be something.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Ben Newlin<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Users <users-bounces@lists.opensips.org> on behalf of Răzvan Crainea <razvan@opensips.org><br>
<b>Reply-To: </b>OpenSIPS users mailling list <users@lists.opensips.org><br>
<b>Date: </b>Friday, September 15, 2017 at 9:47 AM<br>
<b>To: </b>"users@lists.opensips.org" <users@lists.opensips.org><br>
<b>Subject: </b>Re: [OpenSIPS-Users] NOTIFY results in SIP/2.0 400 Missing or invalid message-summary<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Then just dig into the phone's settings and disable presence.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Best regards,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Răzvan Crainea<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">OpenSIPS Developer<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">www.opensips-solutions.com<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">On 09/15/2017 01:13 PM, Alexander N. Lunev via Users wrote:<o:p></o:p></p>
</div>
<blockquote style="border:none;border-left:solid #B5C4DF 4.5pt;padding:0in 0in 0in 4.0pt;margin-left:3.75pt;margin-right:0in" id="MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE">
<div>
<p class="MsoNormal">Can I just cut all SUBSCRIBE logic from OpenSIPS config without
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">interfering with REGISTER and INVITE logic, so client would make and
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">receive calls? It's the only thing that we need from this CPE.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">p.s.: My apologies for posting logs.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">15.09.2017 12:39, Răzvan Crainea пишет:<o:p></o:p></p>
</div>
<blockquote style="border:none;border-left:solid #B5C4DF 4.5pt;padding:0in 0in 0in 4.0pt;margin-left:3.75pt;margin-right:0in" id="MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE">
<div>
<p class="MsoNormal">Hi, Alexander!<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">In my opinion, the client does not handle the Notify properly - when
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">the client subscribes, (according to RFC 3842) OpenSIPS must send a
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">NOTIFY with its current state - if he doesn't have any messages, the
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">message body is empty. The client must not reject this message, but
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">accept it and update its current state.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Another thing that I noticed is that OpenSIPS lowers the SUBSCRIBE
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">expiration to 600 seconds. Looks like the client ignores this
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">limitation, and doesn't SUBSCRIBE before timeout. That's why after 10
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">minutes OpenSIPS sends a graceful shutdown NOTIFY with <o:p>
</o:p></p>
</div>
<div>
<p class="MsoNormal">Subscription-State: terminated;reason=timeout.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Nevertheless, the SIP client should not stop working, regardless the
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">traffic it received.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">PS: next time please use an external service such as pastebin.com to
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">post code snippet.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Best regards,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Răzvan Crainea<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">OpenSIPS Developer<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">www.opensips-solutions.com<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">On 09/15/2017 10:01 AM, Alexander N. Lunev via Users wrote:<o:p></o:p></p>
</div>
<blockquote style="border:none;border-left:solid #B5C4DF 4.5pt;padding:0in 0in 0in 4.0pt;margin-left:3.75pt;margin-right:0in" id="MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE">
<div>
<p class="MsoNormal">Hello everyone!<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">We're using some Chinese GPON CPE with SIP clients in it with
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">OpenSIPS 2.2.3 as a server, and we're having a problem: after
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">successful REGISTER client starts SUBSCRIBE process for event
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">"message-summary", and after authorization pass, server sends NOTIFY
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">with "Event: message-summary", but client respond to it with
<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">"SIP/2.0 400 Missing or invalid message-summary" message.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">On which side is error?<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">In opensips.cfg SUBSCRIBE is handling by this part:<o:p></o:p></p>
</div>
</blockquote>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">_______________________________________________<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Users mailing list<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><o:p></o:p></p>
</div>
</blockquote>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</blockquote>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">_______________________________________________<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Users mailing list<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</div>
</body>
</html>