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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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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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
Do You Yahoo!? Poco spazio e tanto spam? Yahoo! Mail ti protegge dallo spam e ti da tanto spazio gratuito per i tuoi file e i messaggi http://mail.yahoo.it
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-
Alan Crosswell -
geovani ferronetti