Hi For keep alive, you can use OPTIONS or Session Timers (see RFC 4028) for details on usage.
Regards Tarun Gupta Aricent -----Original Message----- From: ikuzar RABE [mailto:ikuzar9...@gmail.com] Sent: Wednesday, June 26, 2013 2:57 PM To: sip-implementors@lists.cs.columbia.edu Subject: [Sip-implementors] SIP messages exchange to maintain a session Hi all, I'd like to know if there are SIP messages exchange to maintain the session between two UA (message such as "Hello, I'am still here" / "Hello, I'am still here too" while RTP conversation is established and lasts a longtime. The context: I have to differentiate an INVITE with a BYE which arrives one hour after an INVITE (so a conversation that lasts one hour) and an INVITE with no BYE ... (packet lost or another problem ...) Ikuzar _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors =============================================================================== Please refer to http://www.aricent.com/legal/email_disclaimer.html for important disclosures regarding this electronic communication. =============================================================================== _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
