[Freeswitch-users] Question about Lua freeswitch.bridge

Michael Collins msc at freeswitch.org
Wed Oct 6 16:44:32 PDT 2010

Just curious - would a bind_meta_app call work for you? I ask because you
can't do asynchronous operations like you described when calling scripts
from the dialplan. I'm afraid you will need to graduate to ESL. :) Check out
ESL and the event socket on the wiki and chapter 9 of the FreeSWITCH book.

Some things you will want to check out:
uuid_broadcast (to play media to a channel)
the DTMF event (http://wiki.freeswitch.org/wiki/Event_list#DTMF)
fs-ivrd (example of a daemon that sits there and connects outbound event
socket connects to an ESL script)

Using the event socket allows total and complete 3rd party control of your
sessions. The drawback is the the learning curve. It's a bit steep but it's
worth it.


On Wed, Oct 6, 2010 at 9:18 AM, Mike van Lammeren <mike at van.lammeren.net>wrote:

> Hello!
> I'm a huge FreeSWITCH fan and am always amazed at how much I can do with
> it. I have a Lua script that has been working great, but now have been
> tasked with enhancing it, and have run into a problem.
> I want to be able to play media, detect DTMF and hang up a call after
> bridging two sessions, but my Lua script blocks on freeswitch.bridge(), and
> doesn't resume until one side or the other hangs up.
> Here is my problem reduced to a Lua script in its simplest form:
> -- first session
> session1 = session
> -- call out
> session2 = freeswitch.Session("{ignore_early_media=true}sofia/gateway/
> etc.com/" .. phoneNumber)
> -- bridge the calls
> freeswitch.bridge(session1, session2)
> -- this next line doesn't execute until after either session 1 or 2 hangs
> up
> freeswitch.consoleLog("info", "This is a test.\n")
> How can I do an asynchronous bridge, and still be able to play media and
> detect dtmf afterwards?
> Mike van Lammeren
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