[Freeswitch-users] Want to play music on hold while executing a time consuming operation in Lua

Michael Collins msc at freeswitch.org
Thu Jun 16 22:21:14 MSD 2011

Actually, I am looking into ways to accomplish these. They are somewhat
related to some recipes I am doing for the FS Cookbook. Please stand by.
FYI, I am looking at an ESL-based solution, not a dialplan script. Thus far
I have not found a viable way to do async stuff like this from a dp script
and I'm thinking ESL is the way to go. I will report back in a bit.


On Wed, Jun 15, 2011 at 9:53 PM, Sidharth Kshatriya <sid.kshatriya at gmail.com
> wrote:

> I am implementing an IVR using Lua in Freeswitch. In my Lua script I use
> curl to a web service. Sometimes the response takes a long time to come
> back. During that time period I would like to play music on hold.
> I have searched the freeswitch discussion archives a lot. There seem to be
> many suggested ways to implement music on hold from a Lua script but the
> answers are not very clear / not really applicable to my use case. I don't
> know what method I should use and which one is recommended.
> *Method 1:* Transfer the call to 9664 (music on hold extension). However
> the implementation for this solution for this does not seem to be available
> in Lua. For example: How would I transfer the call back?
> *Method 2:* Using bgapi uuid_park park the call and using uuid_broadcast
> play an audio file. Again what do I do to unpark the call..?
> Thanks,
> Sidharth
> [P.S. This is a repost, I apologize but I never got any responses on my
> previous email. Need help! :-) ]
> --
> Sidharth Kshatriya
> www.sidk.info
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