Hi Sam, So after 50s, caller can detect that the callee is not available anymore ? How to modify this 50s value ? On Wed, Feb 27, 2013 at 4:42 PM, Sam Cao <yuqun.cao at gmail.com> wrote: > Koha, > > This is keepalive mechanism. Romain is correct. You can read the example in > that RFC. > > Romain, is there any keepalive message between UAC and REGISTRAR? > > Thanks, > > Sam > > -----Original Message----- > From: pjsip [mailto:pjsip-bounces@xxxxxxxxxxxxxxx] On Behalf Of > pjsip-request at lists.pjsip.org > Sent: Wednesday, February 27, 2013 4:44 PM > To: pjsip at lists.pjsip.org > Subject: pjsip Digest, Vol 66, Issue 129 > > Send pjsip mailing list submissions to > pjsip at lists.pjsip.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > or, via email, send a message with subject or body 'help' to > pjsip-request at lists.pjsip.org > > You can reach the person managing the list at > pjsip-owner at lists.pjsip.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of pjsip digest..." > > > Today's Topics: > > 1. Re: What is UPDATE request ? (Khoa Pham) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 27 Feb 2013 15:44:06 +0700 > From: Khoa Pham <onmyway133@xxxxxxxxx> > To: Romain JEZEQUEL <romainjezequel at yahoo.fr>, pjsip list > <pjsip at lists.pjsip.org> > Subject: Re: What is UPDATE request ? > Message-ID: > <CAN+NExEyY4iw8YxKwfW6LAUrN-eQd7_K_eEVQLegbdMU7kD= > 9A at mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > Hi Romain, > > I think it is more reasonable to send UPDATE requests every 100s (if my > session expire is 100) ? > What is UPDATE used for, I see it contains no specific information. > > P/S: I even tried setting my session expire header to 120, but UPDATE is > still sent every 50s > > > On Wed, Feb 27, 2013 at 3:26 PM, Romain JEZEQUEL > <romainjezequel at yahoo.fr>wrote: > > > Hi Khoa, > > > > RFC4028 describes the use of RE-INVITE or UPDATE requests to refresh the > > session. > > > > From RFC4028, section 7.4 : > > "If a UAC knows that its peer supports the UPDATE method, it is > > RECOMMENDED that UPDATE be used instead of a re-INVITE." > > > > This is the way it is implemented in PJSIP. > > Sending UPDATE requests every 50s means that your session-expires header > > is set to 100s. > > > > Regards, > > > > Romain > > > > ------------------------------ > > *De :* Khoa Pham <onmyway133 at gmail.com> > > *? :* pjsip list <pjsip at lists.pjsip.org> > > *Envoy? le :* Mercredi 27 f?vrier 2013 8h06 > > *Objet :* [pjsip] What is UPDATE request ? > > > > Hi all, > > > > What is UPDATE request? > > I see that when A call B, the INVITE 200 OK from B indicates that A is > > the refresher. And A send UPDATE request every 50 seconds. > > > > Is UPDATE request related to Session timer (RFC 4028) ? > > > > -- > > Khoa Pham > > HCMC University of Science > > Faculty of Information Technology > > > > _______________________________________________ > > Visit our blog: http://blog.pjsip.org > > > > pjsip mailing list > > pjsip at lists.pjsip.org > > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > > > > > > > _______________________________________________ > > Visit our blog: http://blog.pjsip.org > > > > pjsip mailing list > > pjsip at lists.pjsip.org > > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > > > > > > -- > Khoa Pham > HCMC University of Science > Faculty of Information Technology > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > < > http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20130227 > /c85e2707/attachment.html> > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > > ------------------------------ > > End of pjsip Digest, Vol 66, Issue 129 > ************************************** > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > -- Khoa Pham HCMC University of Science Faculty of Information Technology -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20130227/2a7e4297/attachment-0001.html>