See RFC 4028. > -----Original Message----- > From: ikuzar RABE [mailto:[email protected]] > Sent: Wednesday, June 26, 2013 5:27 AM > To: [email protected] > 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 ...)
_______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
