[asterisk-dev] [BOUNTY] Confbridge feature

Wed Mar 11 02:44:00 CDT 2020

Hi Jaco,

Channel: PJSIP/101&PJSIP/102

In AMI that does not work, you get an error.   (unless I am doing something wrong ?)
I am running the latest version 16.

If you do Channel:  Local/101
This works if 101 points to a ring group... but no video passes through.

For most good video door intercoms we don't have to put them into a conference bridge.
A while back I found an issue with the dial app not sending video when sending to more than one phone.
Florian Floimair helped me with a patch to fix it and now the dial app works great for the most part.
With video doorbells that support early video, like the new 2N's, Fanvil and  Grandstream everything works.
Even with some units like Aiphone and CAME that do not support early video work by answering the call before dialing.

My issue is with doorbird units and some older 2N's, they do not support early video and when answering before dialing, early video is not passed.
We are still trying to figure out why, our work around was to use the conference bridge to fix this.

We like the conference bridge method because we use it for a few other features like streaming video out RTSP. This comes in handy when a customer want to show the video on TV's.

We just got to get the hang-up issue solved. I would rather have it be managed by the dial app then my custom app.

John Bittner
Xaccel

From: asterisk-dev [mailto:asterisk-dev-bounces at lists.digium.com] On Behalf Of Jaco Kroon
Sent: Wednesday, March 11, 2020 3:11 AM
To: asterisk-dev at lists.digium.com
Subject: Re: [asterisk-dev] [BOUNTY] Confbridge feature

Hi John,

Sounds like a ring-group is a better fit for what you're trying to achieve.

exten => ...,Dial(PJSIP/101&PJSIP/102)

...

And as far as I know you can multi-channel originate, same as for Dial above, so:

Channel: PJSIP/101&PJSIP/102

Alterantively, originate a Local/s at ringers channel if that fails.

Then there you simply do:

[ringers]
exten => s,1,Dial(PJSIP/101&PJSIP/102)

Kind Regards,
Jaco Kroon
C.E.O.

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On 2020/03/11 00:17, John T. Bittner wrote:
Hello,

Looking for the confbridge to have the ability to dial out directly.

When the first caller joins the bridge, the application will look at the bridge profile and if it sees something like
Dial=PJSIP/101&PJSIP/102
Dialtimeout=30

It would then call out to all channels listed using the dial application and put them in the bridge.

Now I know what you're going to say, you can do this already with AMI or call files.
Yes, we can but here is where we hit a wall, Early video.

For video door devices that don't support early video, we put them in a conference bridge, then have a custom app that calls each video phone via AMI.
This works well, all the video phones get early video but when one phone answers the other phones still ring. In our custom app we watch for an answer and then force hang-up on all the other channels.

Now this works, but it's messy and sometimes gets hung up especially when calling a lot of phones or some of the devices that are called don't support early video.

We tried using AMI to dial all the phones at the same time via local channel but it does not pass the video through.
Another option would be for AMI to support multi-channels in originate.

I am looking for a better way to do this.

I will start this bounty at $800

If this project is more complicated please email me with your requirements.

John Bittner
CTO
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Phone: 201.806.2602 x2405
Fax:       201.806.2604
Cell:       973.390.1090
www.xaccel.net<http://www.xaccel.net/>

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