[asterisk-dev] Question/Suggestion for chan_sip

[Steve Davies]

On 12 May 2010 19:34, Russell Bryant <russell at digium.com> wrote:
> On 05/12/2010 05:21 AM, Steve Davies wrote:
>> Just thought I would check whether it made any sense before submitting
>> it as a patch.
>>
>> In do_magic_pickup() in chan_sip.c, we try to grab a call from
>> extension at context, usually using "subscribecontext " from sip.conf as
>> the context.
>>
>> This got me thinking - Should do_magic_pickup() look for a "hint"
>> extension in the specified @context, and try to pick up a call by
>> device-list using PickupChan. This will give a more accurately
>> directed pickup list, particularly as pickup by extension number may
>> well pick up a call that was sent to a completely different,
>> unmonitored device.
>
> I don't think that will work.  If you do that, you're going to find the
> callee channels, not the caller channels.  It's the caller channels that
> you want to find and connect to.  If you get a hold of the callee
> channels, there is no way to know what has caused them to be ringing.
>

A very good point :) I'll need to put more thought into that!

Thanks,
Steve