11 Dec
2017
11 Dec
'17
8:41 a.m.
Hi,
I'm not sure if I understood correctly, however, it seems like if UserB is
dialed then send call to FreeSWITCH in parallel to doing an
http_async_query ; once the http query returns a response then send call to
that response.
If I'm correct then you need to make use of branch_route.
route{
...
append_branch("sip:prompt-tone@freeswitch");
t_on_branch("api_query");
route(RELAY);
}
Then create the branch route "api_query" and in there execute your HTTP
async query.
branch_route[api_query]{
if($rU != "freeswitch")
route(http_aysnc_things);
}
route[http_async_things]{
Code example from here:
https://www.kamailio.org/docs/modules/5.1.x/modules/http_async_client.html#…
}
route[HTTP_REPLY] {
if ($http_ok) {
xlog("L_INFO", "route[HTTP_REPLY]: status $http_rs body:
$http_rb\n");
# Assuming the HTTP server replies with a SIP URI
$ru = $http_rb;
route(RELAY);
} else {
xlog("L_INFO", "route[HTTP_REPLY]: error $http_err)\n");
}
}
Thats just my idea , the code might have syntax issues so correct
accordingly. If above works then it should do both ringing and the API
query in parallel. As I see it you're trying to append_branch and then
doing a t_newtran->HTTP ASYNC query, causing the whole blockage and that
explains if you remove the last 4 line it works.
Regards,
Sammy
On Fri, Dec 1, 2017 at 3:14 AM, 赵国杰 <zhaoguojie2010(a)163.com> wrote:
Hello,
I forgot to add route(RELAY) after the append_branch(). This brings
another problem. Say the original INVITE is from A to B, what I want is:
1. fork 1 more INVITE to freeswitch
2. discard the original A to B INVITE and wait for the
http_async_query returns. When returns, the final destiation is determined,
say C. Then send the INVITE to C.
However, after append_branch(), then original INVITE is sent to B
anyway. How do I block the A to B INVITE?
Thanks
At 2017-12-01 15:13:10, "赵国杰" <zhaoguojie2010(a)163.com> wrote:
Hello Sammy,
Yes, I want the kamailio to play ring-back music immediately after it
receive the INVITE. My plan is to append a branch to freeswitch and let
freeswitch to play the music. The problem is append_branch() does not work
in the following context:
if(is_method("INVITE")) {
append_branch("sip:prompt-tone@freeswitch");
xlog("append branch");
t_newtran();
$http_req(hdr) = "Content-Type: application/json";
$http_req(body) = $_s({"cmuid": "$var(cmuid)"});
http_async_query("http://127.0.0.1:8080",
"HTTP_REPLY");
}
if I remove the last 4 lines everything works fine. Otherwise, no forked
INVITE will be sent to freeswitch. Unfortunately, I need the
http_async_query to find the proper callee. Any suggestions?
Thanks
At 2017-11-30 23:49:59, "SamyGo" <govoiper(a)gmail.com> wrote:
Hi,
While Brandon is right, you can do absolutely do that but w/o any SDP or
progress media in there. I'd ask why you want to do that! If you want to
feed some ring-back music I'd advise you to append a branch to a
media-server like asterisk and then let that do it for you.
So here's one way of doing that.
if(is_method("INVITE")){
append_branch("sip:183@192.168.1.5:5060");
...
}
where IP is of asterisk and dialplan is configured to provider Progress()
with media.
Again, it depends on why you want it?
Regards,
Sammy
On Wed, Nov 29, 2017 at 11:13 PM, Brandon Armstead <brandon(a)cryy.com>
wrote:
if(is_method(“INVITE”)){ .....
sl_send_reply(“183”, “Ringing”); ....
}
On Wed, Nov 29, 2017 at 6:44 PM 赵国杰 <zhaoguojie2010(a)163.com> wrote:
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Hello guys,
Is it possible for kamailio to initiate a 183 to caller?
Thanks
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