Hi, >I think the key word here is "provisional", which makes the difference. >Agree? No. "Provisional" and "1xx" is the same thing. Regards, Christer Holmberg Ericsson Finland > > Chris > > Takumi Ohba wrote: > > > Dear all, > > > > May 1xx response include a session description when a corresponding INVITE > > did not contain a session description? > > > > According to 2543bis02; > > - In the second paragraph of 4.2.1 > > "In this case, the UAS SHOULD still return a session description in its > > informational (1xx) or success (2xx) response, containing those media > > streams and codecs it supports." > > > > - In the second paragraph of 7.1 > > "Thus, the UAS can only include a session description in its provisional > > response if the UAC has included one in an earlier INVITE." > > > > These two sentences seem contradictory for me, because the former allows the > > inclusion of SDP in 1xx but the latter does not. > > I believe the former is correct. > > > > Regards, > > Takumi Ohba > > > > *************************************************** > > Takumi OHBA > > NTT Network Service Systems Laboratories > > tel +81 422 59 4405 fax +81 422 59 3494 > > e-mail [EMAIL PROTECTED] > > *************************************************** > > > > _______________________________________________ > > Sip-implementors mailing list > > [EMAIL PROTECTED] > > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > > _______________________________________________ > Sip-implementors mailing list > [EMAIL PROTECTED] > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
begin:vcard n:Holmberg;Christer tel;cell:+358-40-5604412 tel;work:+358-9-2992943 x-mozilla-html:FALSE org:Ericsson;IP Multimedia / Advanced Signalling Research Laboratory adr:;;;;;; version:2.1 email;internet:[EMAIL PROTECTED] title:System Designer fn:Christer Holmberg end:vcard
