Hi Doug,

if you have:

rewritehostport("192.168.10.7:5060");
t_on_failure("2");
t_relay();

failure_route[2] {
        rewritehostport("192.168.10.7:5060");
        append_branch();
        t_relay();
}

you do serial forking - try first destination and if fails, o for the second one.

for:

rewritehostport("192.168.10.7:5060");
append_branch("192.168.10.7:5060");
t_relay()

you do parallel forking - the request will be sent in the same time to all destinations.

regards,
bogdan

Douglas Garstang wrote:

I'm having a terrible time trying to get failure routes to work. Can someone point me to 
some USEFUL examples please? The examples that come with OpenSER are trivial. They all 
use append_branch("sip:[EMAIL PROTECTED]") which in the real world is barely 
useful. I need to try sending messages to a specified host with the current user's URI.

For example, is this the correct usage for trying to connect in sequence to 
multple destinations?

rewritehostport("192.168.10.7:5060");
append_branch();
t_on_failure("2");
t_relay();

failure_route[2] {
        rewritehostport("192.168.10.7:5060");
        append_branch();
        t_relay();
}

The second route is never tried. In general, what should I be doing here? Which is correct?

rewritehostport(ip-addr)
append_branch()
t_relay()

or maybe...
append_branch(ip-addr)
t_relay()

or maybe...
append_branch(ip-addr1)
append_branch(ip-addr2)
t_relay()

Do you get my point? The docs are really bad and don't cover exactly how this 
stuff is supposed to be implemented! if I do a google search on this stuff, I 
get almost no matches. There's no books either. I'm out of ideas.

I'm just trying to connect to multiple destinations in sequence....




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