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@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@cryy.com> wrote:
if(is_method(¡°INVITE¡±)){ .....

sl_send_reply(¡°183¡±, ¡°Ringing¡±); ....

}

On Wed, Nov 29, 2017 at 6:44 PM ÕÔ¹ú½Ü <zhaoguojie2010@163.com> wrote:
Hello guys, 
     Is it possible for kamailio to initiate a 183 to caller?

Thanks 


 

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