If is a bandwidth cost issue you would better only move RTP media close to those gateways, is much easier.
Adrian On May 25, 2010, at 12:05 PM, Bruce Borrett wrote: > Hi > > The purpose/goal of this setup is not load balancing or failover. We are > providing pstn termination, so we want to hand calls off to the pstn in each > geographic region to reduce the amount of long distance charges... Leased > lines are also charged by the distance here, so it would also help to have > all clients connecting to a local server. > > So to paint a picture, we have region 1 and 2. Each region has a pop with an > opensips server and a pstn gateway. Clients from each region register to > their local server. > > When client in region 1 wants to call pstn number in region 2, server 1 needs > to relay call to server 2 which would hand call to the pstn gateway there, > and call would be charged as local. In this case we can just use a pstn route > which checks for certain prefixes and forwards to the correct server. > > If a pstn user in region 2 calls one of our clients registered to server 1, > then server 2 either needs to know that the client is registered with server > 1 and relay the call to server 1, or server 2 needs to also have the > registration in its location table, and send the call straight to the client. > The same will apply when a user registered to server 1 wants to call a user > registered to server 2. The solutions I have heard of or thought of for this > case are both servers using same mysql database, this will add huge latency > to all lookups for either one or both of the servers, or my idea of > replicating the database between the 2 servers, apparently this wont work > though. Another suggestion I got was to replicate the registration from one > server to another... > > Any other ideas? Feel free to tell me I have no idea what Im doing, I need to > know whether Im on the right path. > > Regards, > Bruce > > > > From: osiris123d <[email protected]> > To: [email protected] > Sent: Mon, 24 May, 2010 20:36:07 > Subject: Re: [OpenSIPS-Users] MySQL and multiple geographic servers > > > Will your clients be behind a firewall? If so you would need to worry about > the natted devices not being able to recieve SIP messages from the secondary > SIP Proxy if the secondard ever needed to send SIP messages (example: Proxy > Primary is down, so Proxy Secondary takes over) > -- > View this message in context: > http://opensips-open-sip-server.1449251.n2.nabble.com/MySQL-and-multiple-geographic-servers-tp5095071p5095184.html > Sent from the OpenSIPS - Users mailing list archive at Nabble.com. > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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