Ahh... I see that I misunderstood the question. Thank you. Tim
On Wednesday 03 September 2003 04:49 pm, Jamie Carl wrote: > On Wed, 3 Sep 2003 15:47:35 -0600 > > Timothy Soos <[EMAIL PROTECTED]> wrote: > >*This message was transferred with a trial version of > >CommuniGate(tm) Pro* > >On Wednesday 03 September 2003 09:32 am, Master Abi > > > >wrote: > >> Hi > >> > >> I read through the archives but could not find much > >>reference to * using > >> SIP on TCP instead of UDP for signalling. Can * be > >>configured and if so > >> how. My service provider will only accept SIP signalling > >>on TCP. > >> > >> Thanks > >> > >> Master > > > >This suggestion is not exactly elegant, yet it may be of > >help: > > > >"The UDP over TCP tunnel is a simple UDP-over-TCP > >application written in Java, > >and is designed so that people behind a firewall can > >connect through a TCP > >connection to play Quake and other UDP-based games." > > > >It is available at: > >http://freshmeat.net/projects/udptunnel/?topic_id=907%2C150%2C151 > >-- > > This wouldn't exactly help his situation. Would this > tunnel require this software running at both ends? What > he's talking about is SIP on TCP. Not SIP on UDP on TCP. > > SIP, by design, is supposed to be used with UDP as it has > a lot of it's own transport control mechanisms, ie, > retries, acks, etc, which allow for UDPs lack of > reliability. > > However, SIP can run on TCP with no major changes apart > from altering the stack to establishing a TCP connection > before signalling. > > From section 18 in RFC3261: > > ------------ > All SIP elements MUST implement UDP and TCP. SIP elements > MAY implement other protocols. > > Making TCP mandatory for the UA is a substantial change > from RFC 2543. It has arisen out of the need to handle > larger messages, which MUST use TCP, as discussed below. > Thus, even if an element never sends large messages, it > may receive one and needs to be able to handle them. > ------------ > > So if * wants to be RFC 3261 complient (which to get in > anywhere commercial, it'll need to be) TCP MUST be > implemented. > > Regards, > > Jamie Carl > Jazz Inc. > Email: [EMAIL PROTECTED] > Web: www.jazz-inc.net > Phone: +61-414-365-466 > Jabber: [EMAIL PROTECTED] > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users -- Thanks, Timothy Soos XQL, LLC 303-480-8228 720-979-3128 (Direct) _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users