On Jan 27, 2010 at 12:44, Klaus Darilion <klaus.mailingli...@pernau.at> wrote:
[..]
>
> Is it also possible to t_relay the call a second time? For example
> relaying failed as the destination SIP proxy is not available can I
> redirect the call to an announcement server? e.g.:
>
> if (!t_relay()){
> if (t_lookup_request())
> $du = "sip:announcemen...@1.2.3.4";
> t_relay();
> exit;
> else
> sl_reply_error();
> }
Yes, but only if you use append_branch() before t_relay(). t_relay()
uses the request uri only when it is called for the first time.
Subsequent invocation look to see if more branches are appended (if not
they report an error).
Andrei
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