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

[Sidharth Kshatriya]

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
-- 
Sidharth Kshatriya
www.sidk.info
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