See below. Thanks, Neel.
> -----Original Message----- > From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip- > implementors-boun...@lists.cs.columbia.edu] On Behalf Of Iñaki Baz > Castillo > Sent: Wednesday, April 15, 2009 9:08 AM > Cc: sip-implementors@lists.cs.columbia.edu > Subject: Re: [Sip-implementors] "Expires = \r\n" EQUALS "Expires = 0 > \r\n" - Is this right? > > 2009/4/15 hanifa.mohammed <hanifa.moham...@globaledgesoft.com>: > > Hi all, > > > > 1. When expires header does not have any value, can it be treated as > zero? > > Not valid according to SIP BNF grammar. > [Neel] Malformed values typically be treated as 3600 and not as 0. > > > 2. Does any header or header paramter in SIP grammer accept a > negative > > value? > > I know no such headers, but any *custom* header could, of course, > include negative values. > > [Neel] Expires header precise meaning is method dependent. The range is between 0 and (2**32)-1. For example, malformed Expires in Contact treat the Expires to be 3600 seconds. > -- > Iñaki Baz Castillo > <i...@aliax.net> > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
