[Serusers] How to make precall announcements?

[Marian Dumitru]

Hi Hauke,

what you are trying to do is not possible with SER. You need an 
Application Server/Agent to implement these kind of call management.

Best regards,
Marian

Hauke Zuehl wrote:
> Hello all :)
> 
> I have a problem which I do think about for some days now.
> 
> The situation is:
> I have one server running SER and another one with Asterisk.
> Some users (which are authenticated by SER) want to have an announcement before they do a call.
> 
> An example:
> A user wants to know how much he has to pay for a call. So he piks up the phone, logs into SER and dials a number. Now a voice (spoken via Asterisk) should tell him: "Hey, your call willl cost 2 Cents per minute". Then the call should be given back to SER by Asterisk and SER routes the call.
> 
> Another user does not want to hear any information so all calls will be routed directly.
> 
> I thought about a script that looks into a database which user has booked this neat feature. That works!
> 
> On Asterisk I have created an extension called "precall_<user>" (<user> is - of course - user's id). Now I want SER to rewirte <user> to precall_<user>, jump to Asterisk, afterwards SER snips precall_ and does the call (oh dear...so much "call"-ing *g*). I have following part of ser.cfg:
> if(method==INVITE) {
>             #
>             # some other stuff
>             # .....
>             rewriteuser("precall_test_hauke");
>             rewritehost("asterisk.mydomain.de");
>             log(1,"MYLOG: Forward to precall\n");
>             forward(uri:host, uri:port);
>             strip(8);
>             log(1,"MYLOG: Do call\n");
>             forward(uri:host, uri:port);
> };
> 
> Unfortunately SER seems to try to do a new INVITE while forwarding!? But great, I see in Asterisk the incoming call to precall_test_hauke :) But then the call hangs somewhere :(
> 
> Would be great if anyone has a hint or a link with an example for me :)
> 
> Thanks and kind regards,
> Hauke
> 
> This is done in
> 
> 
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