29 Oct
2006
29 Oct
'06
2:08 p.m.
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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