See section 10 in http://www.ietf.org/internet-drafts/draft-ietf-sip-manyfolks-resource-06.txt this defines the option tag to use in the Require and Supported header. (Which defines it as you have it below.)
Regards, Bert > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Luo, Helen > Sent: Wednesday, March 27, 2002 10:09 AM > To: [EMAIL PROTECTED] > Subject: [Sip-implementors] Question regarding > draft-rosenberg-sip-unify-00.txt > > > Hi, > > In draft-rosenberg-sip-unify-00.txt, section 5.5, Figure 11, > Manyfolks basic call. It mentioned that "The INVITE has a > Require header to indicate tht the UAS has to support > preconditins" > > What is preconditions extention looks like? > > Just like "100rel" optional tag in the Require header > means support PRACK, > > Can we do something like: > Require: preconditon > > Is this right? > > > Thanks in advanced, > > > Regards, > > Helen Luo > Santera System, > [EMAIL PROTECTED] > 972-461-6330 > > _______________________________________________ > Sip-implementors mailing list > [EMAIL PROTECTED] > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
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Description: application/ms-tnef
