[asterisk-app-dev] ari events stop when two channels join mixing bridge

[Joshua Colp]

Greetings everyone,

I'm currently working on one of the issues that Ben ran into where DTMF 
events may stop when channels are bridged together in ARI[1].

The suggestion from Matt was to add a capabilities field to bridge 
creation that allows capabilities to be specified which then influence 
the bridge itself. One of these would be a native capability which when 
set would enable native bridging. After implementing and playing with 
this I'm not sure I actually like it. I think it exposes internal 
details that then require an extra explanation and understanding of.

I'd like to propose an alternative option which is to be able to specify 
what you need from the bridge when creating it. This already exists in 
the form of the bridge type but would also include more high level 
properties. As I'm working on DTMF the first one would be something like 
"dtmf_events". For what Ben is working on this would mean he would 
create a mixing bridge which ensures DTMF events occur. Internally this 
may mean that native bridging gets disabled but to him it doesn't matter 
and he doesn't have to know this. It's an implementation detail.

Thoughts?

[1] https://issues.asterisk.org/jira/browse/ASTERISK-23437

-- 
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org