On Wed, May 13, 2009 at 10:29 AM, Paul Kyzivat <[email protected]> wrote:
> > > [email protected] wrote: > > Hi, > > > > > > I am sorry. Same Email with Subject. > > > > I am newcomer in SIP and Kamailio Wold an have a question. > > > > I have two IP Telefones and would like to realize with Kamailio > > What is Kamailio? > > > an IP Communication. The Problem: > > > > a. The UA 1 calls UA 2 > > b. UA 2 start recording the video form UA 1, before a SIP call is > established (early media) > > How can I do that? Can anybody help me or can give me Info about example > application. > > From a sip perspective this is simple: > > - The UAC includes an SDP offer in the INVITE, > - the UAS may start transmitting early media toward the UAC > as soon as it receives the INVITE with the offer > - the UAS includes an SDP answer in the 180 response, > - the UAC may start transmitting early media toward the UAS > as soon as it receives the 180 with the answer Completing Paul's explanation: http://www.tech-invite.com/Ti-sip-service-1.html#fig0 > > > Thanks, > Paul > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > -- Xavi Milà _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
