[erlang-questions] telephony

[James Aimonetti]

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Le 07/30/2015 12:34 AM, Kukosa Tomáš a écrit :
> On 30.7.2015 0:39, James Aimonetti wrote:
>>> Hi List, Is there any open source application out there that 
>>> provides an Erlanginterface for programming a voip router?  Or
>>> is it the asterisk ecosystem(for instance with Erlang using
>>> AGI) that comes the closest to theoriginal mission? S.
> 
>> FreeSWITCH has two modules, mod_erlang_event and mod_kazoo,
>> which present FreeSWITCH as a C-Node to other Erlang VMs. We
>> built and use mod_kazoo for Kazoo, but it is generic in purpose;
>> I know several folks using mod_erlang_event in production as
>> well. Different use cases for each.
> 
> Is there any simple description of difference between mod_kazoo and
>  mod_erlang_event together with hints which use cases they are good
> for? _______________________________________________ 
> erlang-questions mailing list erlang-questions@REDACTED 
> http://erlang.org/mailman/listinfo/erlang-questions
> 
> 

Its been a while that I've looked at mod_erlang_event, but the main
differences I recall are:

mod_kazoo supports multiple connections from multiple VMs;
mod_erlang_event supports one.

mod_kazoo opens many TCP sockets for streaming events out of
FreeSWITCH to the Erlang VM; mod_erlang_event streams them over the
same connection as everything else.

mod_erlang_event allows you to take control during the dialplan
processing; mod_kazoo does not. Both support being in control of the
call from the start (similar to mod_xml_curl if you're familiar with
that).

mod_kazoo runs more threads and seems more performant internally.

I would say (without having seen recent commit history) that mod_kazoo
is a more maintained module with a company being behind it (2600Hz),
while mod_erlang_event is more community supported at this point
(again, could be heresy).

We built Kazoo on mod_erlang_event initially, but decided we needed to
rewrite it from scratch once we hit a certain level of call volume;
mod_kazoo is the result of that effort.

- -- 
James Aimonetti
Lead Systems Architect / Impressionable Scallywag
"I thought I fixed that"

2600Hz | http://2600hz.com
sip:james@REDACTED
tel:415.886.7905
irc:mc_ @ freenode
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