IAX allows trunking. With 16 channels open between 2 asterisk servers that should recover over 400kbs compared to SIP.
I believe OpenVPN can be forced into a no-encryption test mode. If you can do that temporarily it is easier to judge the vpn overhead. O.Kamal wrote: > There is no problem with the CPU utilization, it is around 40%, I will > not be able to try this without the VPN, maybe I should try another > VPN solution like OpenSwan, or PPTP. > > Why do you think that IAX will make a difference than SIP? > > On 1/16/07, *Gordon Henderson* <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > On Mon, 15 Jan 2007, O.Kamal wrote: > > > I am trying to connect 2 asterisk servers through OpenVPN, the > VPN should > > carry 16 channel, however when active channels reached 4 concurrent > > channels, the connection became unstable, with a very high > latency (around > > 900ms), the internet bandwidth is 1Mbps on each server, I have > upgraded the > > bandwidth to double it, but still have exactly the same problem. > > > > Any tips or recommendations on such setup? > > No real answers, but questions that might help ... > > Have you tried it without using OpenVPN? Just port-forward the SIP > & RTP > ports, if you need to and give it a go. > > > I am using SIP and G729 between the 2 servers, openVPN using UDP > with no > > compression. > > Why not IAX? > > Are your openVPN end-points up to it? Doing high-grade encryption in > software might challenge some slower processors - are the VPN > endpoints > the asterisk boxes themselves? > > Gordon > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com > <http://Easynews.com> -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > > >------------------------------------------------------------------------ > >_______________________________________________ >--Bandwidth and Colocation provided by Easynews.com -- > >asterisk-users mailing list >To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > > _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users