Hi Douglas,

Yes you're right, it does. You just cannot do a simple (stateless) forward for failover, you need to establish a transaction (e. g. t_relay()) and you need a failure-route handling the error (if there is any error). And don't forget the flags of the dispatcher (Flag 2 needs to be enabled).

Carsten

Douglas Garstang schrieb:

I was under the impression that the dispatcher module in Openser 1.1 did failover?

I just tried it. I put an invalid IP in my dispatcher.list file. When the dispatcher selects that invalid IP, it looks like it never times out and tries another.

# PSTN 2 sip:216.187.140.217 # INVALID 2 sip:216.187.141.246 2 sip:216.187.140.216

What special steps do I need to take to ensure the dispatcher does failover? Here's a piece of my openser.cfg file...

    #
    # Outgoing PSTN Calls - Dispatch to Audiocodes
    #
    if (    src_ip == 216.187.142.203 || 
            src_ip == 216.187.142.204 ||
            src_ip == 216.187.142.232 ||
            src_ip == 216.187.142.201 ||
            src_ip == 216.187.142.231 ) {
        sl_send_reply("100","Trying");
        xlog ("L_INFO","Outbound PSTN call. Dispatching to Audiocodes");
        ds_select_dst("2","0");
        forward();
        return;
 }

Doug.

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