[asterisk-dev] AOC

[Philipp Kempgen]

JFYI:

I tried something similar to:

reqprep(&req, p, SIP_INFO, 0, 1);
sprintf(buf,
"%s;type=%s;charging-info=%s;currency=%s;amount=%lu;multiplier=%s",
"charging", "active", "currency", "EUR", amount, "0.001");
add_header(&req, "AOC", buf);
add_header_contentLength(&req, 0);
return send_request(p, &req, XMIT_RELIABLE, p->ocseq);

in a cb_aoc() callback in chan_sip which would send out a SIP INFO
like this:

INFO sip:2001 at 192.168.1.202:2682;line=ydg4eu9f SIP/2.0
Via: SIP/2.0/UDP 192.168.1.110:5060;branch=z9hG4bK0d67ff58;rport
Max-Forwards: 70
From: "Homer Simpson" <sip:2002 at 192.168.1.110>;tag=as4e3ae4ad
To: <sip:2001 at 192.168.1.202:2682;line=ydg4eu9f>;tag=b8h7gwtz76
Contact: <sip:2002 at 192.168.1.110>
Call-ID: 3ca6b28a0bb6d5603c70b707166e3301 at 192.168.1.110
CSeq: 103 INFO
User-Agent: Asterisk PBX SVN-trunk-r60269M
AOC:
charging;type=active;charging-info=currency;currency=EUR;amount=2130;multiplier=0.001
Content-Length: 0

Didn't expect it to work but the Snom (360) displays "EUR 2.13".
http://www.snom.com/wiki/index.php/Advice_of_charge_(AOC)_in_SIP


My idea was that AOC(-D) could be done similar to the devicestate
thread: go through the list of changes changes (reported by
incoming channels or artificially created) and forwarding them to
the registered callbacks (for outgoing channels).


Regards,
  Philipp

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