[asterisk-dev] [Code Review] Generic Advice of Charge

[David Vossel]

> On 2010-04-15 16:35:24, rmudgett wrote:
> > /team/rmudgett/aoc_event/channels/sig_pri.c, line 4823
> > <https://reviewboard.asterisk.org/r/552/diff/3/?file=9249#file9249line4823>
> >
> >     A hangup with and without AOC-E being received needs to be tried.
> >     
> >     Is there a way to determine if an AOC-E is really expected?  If it is not expected, then we will not need to do the delay.
> >     
> >     I think if the delay option is set we are expecting the AOC-E message and the delay is needed.
> >     
> >     If the AOC-E is specifically requested by the caller and the delay option is not enabled should we wait anyway?  Maybe we could make the delay option be: never, on_request, always.

I don't think this is necessary.  All the aoce_delayhangup option does is tell the other side to hangup while we keep our channel up just in case they do provide a final AOC-E message.  If they don't provide AOC-E, there isn't any real delay except for the time it takes for the other side to tear down the call.  We don't require that final AOC-E message, we're just giving it a chance to come through if it exists.  The only reason the timeout would be reached is if you are bridged to a channel technology that doesn't support AOC.  Then this option shouldn't be used in that application.  I did make SIP aware of the AOC-E termination request though, It just hangs up the channel when it receives it to avoid the timeout period.


- David


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On 2010-04-13 17:43:42, David Vossel wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviewboard.asterisk.org/r/552/
> -----------------------------------------------------------
> 
> (Updated 2010-04-13 17:43:42)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Summary
> -------
> 
> Asterisk Generic AOC Representation
> - Generic AOC encode/decode routines. (Generic AOC must be encoded to be passed on the wire in the AST_CONTROL_AOC frame)
> - AST_CONTROL_AOC frame type to represent generic encoded AOC data
> - Manager events for AOC-S, AOC-D, and AOC-E messages
> 
> Asterisk App Support
> - app_dial AOC-S pass-through support on call setup
> - app_queue AOC-S pass-through support on call setup
> 
> AOC Unit Tests
> - AOC Unit Tests for encode/decode routines
> - AOC Unit Test for manager event representation.
> 
> SIP AOC Support
> - Pass-through of generic AOC-D and AOC-E messages to snom phones via the snom AOC specification.
> - Creation of chan_sip page3 flags for the addition of the new 'snom_aoc_enabled' sip.conf option.
> 
> IAX AOC Support
> - Natively supports AOC pass-through through the use of the new AST_CONTROL_AOC frame type
> 
> DAHDI AOC Support
> - ETSI PRI full AOC Pass-through support
> - 'aoc_enable' chan_dahdi.conf option for independently enabling pass-through of AOC-S, AOC-D, AOC-E.
> - 'aoce_delayhangup' option for retrieving AOC-E on disconnect.
> - DAHDI A() dial string option for requesting AOC services.
>   example usage: exten=>1111,1,Dial(DAHDI/g1/1112/A(s,d,e)) ;requests AOC-S, AOC-D, and AOC-E on call setup
> 
> 
> Diffs
> -----
> 
>   /team/rmudgett/aoc_event/apps/app_dial.c 257246 
>   /team/rmudgett/aoc_event/apps/app_queue.c 257246 
>   /team/rmudgett/aoc_event/channels/chan_dahdi.c 257246 
>   /team/rmudgett/aoc_event/channels/chan_sip.c 257246 
>   /team/rmudgett/aoc_event/channels/sig_pri.h 257246 
>   /team/rmudgett/aoc_event/channels/sig_pri.c 257246 
>   /team/rmudgett/aoc_event/channels/sip/include/sip.h 257246 
>   /team/rmudgett/aoc_event/configs/chan_dahdi.conf.sample 257246 
>   /team/rmudgett/aoc_event/configs/sip.conf.sample 257246 
>   /team/rmudgett/aoc_event/include/asterisk/aoc.h PRE-CREATION 
>   /team/rmudgett/aoc_event/include/asterisk/frame.h 257246 
>   /team/rmudgett/aoc_event/main/aoc.c PRE-CREATION 
>   /team/rmudgett/aoc_event/main/asterisk.c 257246 
>   /team/rmudgett/aoc_event/main/channel.c 257246 
>   /team/rmudgett/aoc_event/main/features.c 257246 
>   /team/rmudgett/aoc_event/main/manager.c 257246 
>   /team/rmudgett/aoc_event/tests/test_aoc.c PRE-CREATION 
> 
> Diff: https://reviewboard.asterisk.org/r/552/diff
> 
> 
> Testing
> -------
> 
> I have tested every feature listed in the description to some extent, but only back to back with Asterisk.   I am going to need some community help to test interoperability.
> 
> To test this code, check out both my Asterisk and Libpri changes.
> 
> Asterisk Changes: svn/asterisk/team/dvossel/generic_aoc
> LibPRI Changes: svn/libpri/team/dvossel/aoc_send 
> 
> 
> Thanks,
> 
> David
> 
>