Re: [Sip-implementors] Doubt in Instant Message

2009-06-05 Thread Paul Kyzivat
This discussion has all assumed MESSAGE. If you want to send big messages, use MSRP. Then they can be as big as you like. Multi-GB messages were considered when designing it. Paul Victor Pascual Ávila wrote: > Iñaki, > > On Fri, Jun 5, 2009 at 11:56 AM, Iñaki Baz Castillo wrote: >> 2009

Re: [Sip-implementors] SRTP key transmission

2009-06-05 Thread Dale Worley
On Tue, 2009-06-02 at 18:14 +0200, Iñaki Baz Castillo wrote: > Anyhow, it seems that before securing the media transmission, it makes > sense to also secure the signalling. Since TLS secures the signalling > it allows the secure tranmission of master key for SRTP. This is, with > TLS you get all th

Re: [Sip-implementors] SDP in Session Refresh Request

2009-06-05 Thread Dale Worley
On Tue, 2009-06-02 at 03:39 -0700, Radha krishna wrote: > What should be the SDP in the following scenario. > > 1) UA1: Send INVITE with 3 codec's. A, B and C. > 2) UA2: Received 200 with Codec A. > 3) UA1: Session timer expired. > 4) UA1:

Re: [Sip-implementors] SDP in Session Refresh Request

2009-06-05 Thread Paul Kyzivat
shamik.s...@wipro.com wrote: > Hi Paul, > > When the re-invite reaches the other end will it searches for the best > bandwith codec again from the offered codecs even if the VERSION number > is the same in the re-invite as the original invite. I don't know if it *will*, but it MAY. Tha

Re: [Sip-implementors] Doubt in Instant Message

2009-06-05 Thread Iñaki Baz Castillo
2009/6/5 Tomasz Zieleniewski : > Yes but it still holds, because UA can not assure that upstream messages > wont be sent over UDP so that the congestion will occure :) For sure, but I hope that this won't be a eternal excuse and sometime the bad decission of using SIP with UDP will end forever. ;)

Re: [Sip-implementors] Doubt in Instant Message

2009-06-05 Thread Victor Pascual Ávila
Iñaki, On Fri, Jun 5, 2009 at 11:56 AM, Iñaki Baz Castillo wrote: > 2009/6/5 Tomasz Zieleniewski : >> Any way request size can not exceed 1300 bytes. > > Remember that TCP does exist ;) You cannot assume all hops along the routing path to use TCP (unless you force it and your message possible get

Re: [Sip-implementors] Doubt in Instant Message

2009-06-05 Thread Tomasz Zieleniewski
Yes but it still holds, because UA can not assure that upstream messages wont be sent over UDP so that the congestion will occure :) - Tomasz 2009/6/5 Iñaki Baz Castillo > 2009/6/5 Tomasz Zieleniewski : > > Any way request size can not exceed 1300 bytes. > > Remember that TCP does exist ;) > >

Re: [Sip-implementors] Doubt in Instant Message

2009-06-05 Thread Iñaki Baz Castillo
2009/6/5 Tomasz Zieleniewski : > Any way request size can not exceed 1300 bytes. Remember that TCP does exist ;) -- Iñaki Baz Castillo ___ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/l

Re: [Sip-implementors] Doubt in Instant Message

2009-06-05 Thread Tomasz Zieleniewski
Hi, It is said that if request like MESSAGE is sent outside of a media session it should be downstream MTU - 200 usually UA is unable to determine the MTU so the default is 1300 bytes. Any way request size can not exceed 1300 bytes. Kind regards, Tomasz Zieleniewski 2009/6/4 friend friend > D