[Freeswitch-users] Prevent A leg from hangup after bridge with inbound ESL socket

[Callum Guy]

Hi All,

Using version 1.2.9

Just wondering if this ever got resolved as i am having a similar issue.

I am also using ESL inbound and my event driven script will answer the
call, set the ringback to a UK tone, play 1 second of silence, then issue
the bridge as follows:

{ignore_early_media=true,continue_on_fail=true,park_after_bridge=true,hangup_after_bridge=false}sofia/external/
200010006 at sipserv.net

Once this has all gone through everything works correctly when the user is
available. When busy however the calling channel is ending the call rather
than returning to park. I had anticipated collecting the
CHANNEL_EXECUTE_COMPLETE event for the bridge command, reading
the variable_DIALSTATUS for "BUSY" and then playing busy tone but it is
just hanging up.

Is there a clean way to resolve this? Even if its just setting the
"busytone" equivalent of "ringback" that would probably do?

Any help would be appreciated,

Thanks,

Callum

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Callum Guy
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On 3 September 2012 10:28, Peter Olsson <peter.olsson at visionutveckling.se>wrote:

> try park_after_bridge=true, it should park the call again after the
> bridge, and keep it alive.
>
> /Peter
> ________________________________
> Från: freeswitch-users-bounces at lists.freeswitch.org [
> freeswitch-users-bounces at lists.freeswitch.org] för Alex Massover [
> alex at jajah.com]
> Skickat: den 3 september 2012 09:00
> Till: FreeSWITCH Users Help
> Ämne: Re: [Freeswitch-users] Prevent A leg from hangup after bridge with
> inbound ESL socket
>
> Hi,
>
> We tried that,  it doesn't do a trick, the bridge app still assumes
> success, even if 180 is not forwarded to A leg.
> But I think the problem is related to ESL socket, especially to inbound
> socket. I'm pretty sure that all these things work with dailplan, and as
> far as I remember even with outbound socket it's much easier. But looks
> like outbound socket bypass some of these flags, as channel is control by
> XML dialplan, but then is bridged by ESL API and not sure what exactly
> happens. I understand that hangup_after_bridge=false may not work, as it's
> not clear what should happen with the channel in case of inbound socket (as
> dialplan is ended), but  no reason for park_after_bridge=true not to park a
> channel.
>
> Maybe it worth to fill a bug in JIRA about park_after_bridge=true and ESL
> inbound socket. I'll do some more clear tests and will fill one.
>
> BR, Alex.
>
>
> From: freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Michael
> Collins
> Sent: Thursday, August 30, 2012 7:17 PM
> To: FreeSWITCH Users Help
> Subject: Re: [Freeswitch-users] Prevent A leg from hangup after bridge
> with inbound ESL socket
>
> If that's the case then you also need ignore_early_media=true:
> <action application="bridge"
> data="{ignore_early_media=true}sofia/internal/1001@$${domain}"/>
>
> If you don't ignore early media then the bridge app assumes that when it
> receives media from the far end that the bridge is "successful" even if you
> don't actually get a 200OK. The caveat is that since you're ignoring early
> media (i.e. ringing) from the B leg that you will need to supply some sort
> of ringing indicator to the A leg. The good news is that you can do
> whatever you want; just use the ring_back chan var.
>
> -MC
> On Thu, Aug 30, 2012 at 12:07 AM, Alex Massover <alex at jajah.com<mailto:
> alex at jajah.com>> wrote:
> Hi Michael,
>
> Thanks, that works in scenario when B legs response with 100 and then
> let's say 486. But if B legs do ringing, i.e. 100, 180/183, 486 it doesn't
> work.
>
> I found this in wiki "By the way, you'll be unable to rewrite the hangup
> cause for a bridge that gets a 180 or 183 packet from the gateway before
> getting a 4xx, 5xx or 6xx packet (because those bridges don't 'fail')."
>
> I understand that continue_on_fail won't help with this scenario. I see
> that's a popular topic in the list, but nobody got a solution.
>
> BR, Alex.
>
> From: freeswitch-users-bounces at lists.freeswitch.org<mailto:
> freeswitch-users-bounces at lists.freeswitch.org> [mailto:
> freeswitch-users-bounces at lists.freeswitch.org<mailto:
> freeswitch-users-bounces at lists.freeswitch.org>] On Behalf Of Michael
> Collins
> Sent: Wednesday, August 29, 2012 6:21 PM
> To: FreeSWITCH Users Help
> Subject: Re: [Freeswitch-users] Prevent A leg from hangup after bridge
> with inbound ESL socket
>
> Try this:
> http://wiki.freeswitch.org/wiki/Channel_Variables#continue_on_fail
>
> -MC
> On Wed, Aug 29, 2012 at 6:57 AM, Alex Massover <alex at jajah.com<mailto:
> alex at jajah.com>> wrote:
> Hi,
>
> I have a very simple dialplan that just do park for incoming calls. All
> rest of leg management is done via ESL inbound socket.
>
> I'm trying to do the same behavior like in this dialplan example, but from
> ESL inbound socket:
> <action application="set" data="hangup_after_bridge=false"/>
>    <action application="bridge" data="sofia/internal/1001@$${domain}"/>
>    <action application="bridge" data="sofia/internal/1002@$${domain}"/>
>
> The problem is with bridge API, if B leg doesn't answer (e.g. 404, or
> busy), A leg disconnects. But I'm trying to prevent A leg from
> disconnecting in order to do bridge to other place.
>
> Looks like hangup_after_bridge=false, park_after_bridge=true,
> transfer_after_bridge etc don't have any effect when bridge done from
> inbound socket. A leg disconnects always.
>
> Is there any way to keep A leg after bridge with inbound socket? I'm aware
> of originate, but prefer to user bridge.
>
>
>
>
> --
> Best Regards,
> Alex Massover
>
>
> _________________________________________________________________________
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> --
> Michael S Collins
> Twitter: @mercutioviz
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> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
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> 
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> --
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> Twitter: @mercutioviz
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