[Users] openser and PSTN

[Alan Crosswell]

I forgot to show failure_route[4].  Here it is:

failure_route[4] {
     xlog("L_INFO","failure_route[4] $ci: method $rm r-uri <$ru>\n");
     if (t_check_status("(5..)|(6..)|(403)")) {  # gateway failure/refusal
         xlog("L_INFO","failure_route[4] gateway returned 5xx or 6xx. 
Status: $r
s $rr\n");
         if (!next_gw()) {
             xlog("L_CRIT","No more gateways for <$tu>\n");
             t_reply("503", "Service not available - No more gateways");
             return;
         } else {
             xlog("L_INFO","failure_route[4] next gw r-uri <$ru> \n");
             t_on_failure("4");
             t_relay();
             return;
         }
     }
     xlog("L_INFO","failure_route[4]: relaying normal error\n");
     t_relay();
}

See a recent post of mine when you wonder why the $rs and $rr print 
NULL:-(  But otherwise it works.
/a

Alan Crosswell wrote:
> Use LCR module to list your gateway(s).  Here's a config fragment which 
> changes the domain in the r-uri to the IP address and port of the 
> gateway, stripping and/or prefixing digits as defined in the gateways 
> table.  Use, for example, where your users dial 9 for an outside line 
> but your gateway just expects your national numbering plan.  In this 
> example, strip 1 digit and prefix nothing.  Another example might be 
> that your PSTN gateway is on a PBX that requires dialing 9 for an 
> outside line, so then you'd strip 0 and prefix "9".
> 
>    if (!load_gws()) {          # load LCR tables
>         xlog("L_CRIT","Can't load LCR tables\n");
>         sl_send_reply("500","Cannot load gateways");
>         return;
>     };
>     t_on_failure("4");          # if gateway unavail go to 4
>     if (!next_gw()) {
>         sl_send_reply("503", "Service not available - No gateways");
>         return;
>     };
>     if (!t_relay()) {
>         sl_reply_error();
>     };
> 
> See openserctl lcr commands to create routes, gateway groups and gateways.
> 
> jello% openserctl lcr show
> lcr routes
> +--------------+----------+--------+----------+
> | prefix       | from_uri | grp_id | priority |
> +--------------+----------+--------+----------+
> | +1__________ | %        |      9 |        5 |
> | +1__________ | %        |      5 |       10 |
> | +1__________ | %        |      7 |       20 |
> ...
> +--------------+----------+--------+----------+
> 
> lcr gateway groups
> +--------+------------+
> | grp_id | grp_name   |
> +--------+------------+
> ...
> |      5 | qwest-us   |
> ...
> |      7 | voip1-us   |
> ...
> |      9 | paetec-us  |
> +--------+------------+
> lcr gateways
> +-------------+----------+------+------------+-----------+--------+-------+--------+ 
> 
> | gw_name     | ip       | port | uri_scheme | transport | grp_id | 
> strip | prefix |
> +-------------+----------+------+------------+-----------+--------+-------+--------+ 
> 
> ...
> | qwest-us    | 10.1.2.3 | 5060 |          1 |         1 |      5 |
> 2 |        |
> | voip1-us    | 10.2.3.4 | 5060 |          1 |         1 |      8 | 2 
> |        |
> | paetec-us   | 10.3.4.5 | 5060 |          1 |         1 |      9 | 1 
> |        |
> +-------------+----------+------+------------+-----------+--------+-------+--------+ 
> 
> 
> Sorry about the attempt at editing the lcr_gateways table a little to 
> try and make it more legible -- basically I strip one or two digits 
> depending on carrier.  Two of the above are ITSP's.  The other is a 
> Cisco 3845 ISR connected to a PRI to our campus PBX.  Basically the same 
> as an AS5300.  IP addresses have been changed needless to say.
> 
> /a
> 
> geovani ferronetti wrote:
>> Hi,
>> I want to connect OpenSER with PSTN, as media gateway I use Cisco 
>> AS5300, vfc c542.
>> I am interested about config part from OpenSER.
>> Where I can get some documentation, information?
>>
>> Thx
>>
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